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  • 🦀 Horseshoe Crabs: The Ancient Creatures That Revolutionized Medicine 🦐 | Ctdp

    Home Our Mission Recycling Plastics Air Water Land Lifestyles Economy & Politics Media & Awards < Back 🦀 Horseshoe Crabs: The Ancient Creatures That Revolutionized Medicine 🦐 🦀 Horseshoe Crabs: The Ancient Creatures That Revolutionized Medicine 🦐 For over 450 million years, horseshoe crabs have roamed Earth’s oceans, surviving mass extinctions and remaining virtually unchanged. Despite their name, these marine arthropods are not true crabs but are more closely related to spiders and scorpions. While their prehistoric appearance is fascinating, it is their unique blue blood that has had a profound impact on modern medicine. The discovery of Limulus Amebocyte Lysate (LAL) , a crucial component of their blood, has transformed the way we ensure the safety of vaccines, injectable drugs, and medical devices. However, the increasing demand for their blood has raised concerns about their conservation. Horseshoe crabs ( Limulus polyphemus in North America, with related species in Asia) possess a primitive but highly effective immune system. Their blood contains amebocytes , specialized immune cells that detect bacterial endotoxins—substances released by harmful bacteria that can cause severe infections in humans. Scientists discovered that amebocytes could be used to create Limulus Amebocyte Lysate (LAL) , which reacts instantly when exposed to bacterial toxins. Today, LAL is the gold standard for testing the sterility of: Vaccines and injectable drugs Medical devices (such as surgical implants and IV drips) Intravenous fluids and prosthetics Without LAL testing, undetected bacterial contamination could lead to life-threatening infections, making horseshoe crab blood indispensable in modern medicine . A horseshoe crab Unlike human blood, which uses iron-based hemoglobin to transport oxygen, horseshoe crabs rely on copper-based hemocyanin , giving their blood a distinctive blue hue. This biological adaptation has allowed them to survive in low-oxygen environments for millions of years. Despite their vital role in medicine, the biomedical industry’s demand for horseshoe crab blood has raised concerns about declining populations . Thousands of horseshoe crabs are captured and bled annually, with some released back into the wild. However, studies suggest that a significant percentage do not survive or suffer long-term effects from the process. Overharvesting, along with habitat destruction and climate change, threatens these ancient creatures. To address this, scientists have developed a synthetic alternative to LAL called Recombinant Factor C (rFC) , which can detect bacterial toxins without relying on horseshoe crab blood. While rFC has been approved for use in some countries, widespread adoption remains slow due to regulatory challenges and industry hesitation. Horseshoe crabs, with their prehistoric origins and life-saving blue blood, play an irreplaceable role in modern medicine. As we continue to benefit from their remarkable biology, it is essential to balance medical progress with conservation efforts. By supporting sustainable harvesting practices and encouraging the use of alternatives like rFC, we can ensure that these ancient creatures persist for future generations while continuing to safeguard human health. Sources: Novitsky, T. J. (1991). The horseshoe crab: A key to marine bacterial endotoxins . Oceanus, 34 (2), 28-32. Hurton, L., & Berkson, J. (2006). Potential impacts of biomedical bleeding on horseshoe crab populations in the mid-Atlantic region . Fisheries Bulletin, 104 (2), 293-305. Maloney, T., Phelan, R., & Simmons, N. (2018). Saving the horseshoe crab: A synthetic alternative to horseshoe crab blood for endotoxin detection . PLOS Biology, 16 (10), e2006607. Walls, E. A., Berkson, J., & Smith, S. A. (2002). The horseshoe crab, Limulus polyphemus: 200 million years of existence, 100 years of study . Reviews in Fisheries Science, 10 (1), 39-73. Bolden, J., & Smith, D. (2017). Evaluating the adoption of recombinant Factor C as an alternative to Limulus Amebocyte Lysate for bacterial endotoxin testing in pharmaceuticals . Journal of Applied Microbiology, 123 (2), 334-345. Would you like more details on conservation efforts or biomedical applications? ←Previous Next→

  • Goliath the tadpole 🐸 | Ctdp

    Home Our Mission Recycling Plastics Air Water Land Lifestyles Economy & Politics Media & Awards < Back Goliath the tadpole 🐸 Goliath the tadpole 🐸 Photo: courtesy of Alina Downer I've seen massive Asian bullfrogs that stretch to the size of an adult's palm, while their tadpoles measure "only" 3-4 inches in length. When I say “only,” I'm drawing a comparison to this colossal Goliath. See the photos to believe it. In a surprising discovery, biologists found an enormous tadpole in a shallow pond in Arizona. Measuring a remarkable 257 millimeters (10.1 inches) and still growing, the colossal tadpole outdoes the former champion in bullfrog (Rana catesbeiana) tadpole size by a significant 67 millimeters (2.5 inches), and it surpasses the previous record for an African clawed frog (Xenopus laevis) tadpole by 37 millimeters (1.4 inches). Its circumference even exceeds that of a soda can. This tadpole, which was initially mistaken for a fish due to its immense size, was affectionately named Goliath. A biologist, Earyn McGee says that its size was likely due to a hormone imbalance. Researchers from the Southwestern Research Station suspected that Goliath did not undergo metamorphosis into a frog due to this condition. While Goliath's size could provide advantages in terms of food intake, it could also pose challenges to its respiratory and circulatory systems. The tadpole's measurements, growth rate, feeding habits, and behavior were studied for a peer-reviewed analysis. However, Goliath had died in 2019. Photo: courtesy of Alina Downer Dr. David Pfennig from the University of North Carolina says, “The normal developmental hormones, such as thyroid hormones, maybe ‘turned off’ or downregulated, while the growth hormones may be ‘turned on’ or upregulated.” Sources: https://www.livescience.com/63238-goliath-giant-tadpole.html https://www.americanscientist.org/.../the-giant-tadpole ... ←Previous Next→

  • Brewing Up Sustainability: How Beer Yeast Is Cleaning Our Waterways | Ctdp

    Home Our Mission Recycling Plastics Air Water Land Lifestyles Economy & Politics Media & Awards < Back Brewing Up Sustainability: How Beer Yeast Is Cleaning Our Waterways 🍺 Brewing Up Sustainability: How Beer Yeast Is Cleaning Our Waterways🍺 Local breweries in Chicagoland are turning beer waste into a water-cleaning solution, thanks to an innovative partnership with the Metropolitan Water Reclamation District (MWRD). A leading brewery, known for using Lake Michigan water in its beer, is repurposing spent yeast to help treat wastewater. Previously discarded down the drain, spent yeast—rich in carbon—is now collected and used to reduce excess phosphorus in treated water. High phosphorus levels can fuel harmful algal blooms, threatening aquatic ecosystems. MWRD's Stickney facility in Cicero now processes truckloads of yeast, turning waste into a resource. This initiative is part of MWRD's shift from wastewater treatment to resource recovery. Even extracted phosphorus is repurposed into fertilizer. Beyond yeast, MWRD may also accept grains, hops, and materials from food-processing facilities. The brewery’s participation not only supports sustainability but also cuts sewer fees, encouraging others in the industry to join. As recent events have shown, access to clean water isn’t guaranteed—responsible resource use is key. Since 2017, the resource recovery program has expanded, proving that sustainability and industry innovation can go hand in hand. Source: https://mwrd.org/how-byproduct-local-breweries-helping ... https://news.wttw.com/ Photo: https://revbrew.com/age?redirect=https://revbrew.com/home ←Previous Next→

  • Wounded US Army veterans are finding healing by restoring threatened coral reefs off Florida's coast. | Ctdp

    Home Our Mission Recycling Plastics Air Water Land Lifestyles Economy & Politics Media & Awards < Back Wounded US Army veterans are finding healing by restoring threatened coral reefs off Florida's coast. 💦 Wounded US Army veterans are finding healing by restoring threatened coral reefs off Florida's coast🐠 🐡 Teaming up with the Mote Marine Laboratory and Combat Wounded Veteran Challenge (CWVC) non-profit, these veterans work annually to save coral endangered by disease and rising sea temperatures while aiding their own physical and emotional recovery. The collaboration allows researchers to study the veterans in challenging environments, advancing treatments for conditions like post-traumatic stress disorder. Through activities like coral planting, the veterans contribute to marine ecosystem preservation and discover purpose in their journey, showcasing how environmental restoration can have positive effects on both nature and human well-being. Coral reefs are crucial for marine life but face significant threats due to climate change, disease outbreaks, and coral bleaching. The restoration process involves planting lab-grown coral fragments, cleaning damaged reef areas, and attaching new coral pieces. The initiative aims to create resilient colonies capable of reproducing naturally, providing a sustainable solution for coral reef conservation. Here is the link for Combat Wounded Veteran Challenge 🦀 https://combatwounded.org/ Source: https://youtu.be/xnCf-tvoTl4 ←Previous Next→

  • Venice in Italy is sinking | Ctdp

    Home Our Mission Recycling Plastics Air Water Land Lifestyles Economy & Politics Media & Awards < Back Venice in Italy is sinking 👉 Venice in Italy is sinking 😱 Though I was still little, I still remember how magical the city of Venice in Italy was, with water taxi rides, dining outdoors accompanied by the melodies of local guitarists, and a small theater playing an opera. Every corner of the small island seemed to hold a remarkable piece of history, contributing to its overall charm. Several days after our visit, a storm struck the island, resulting in the complete submersion of Piazza San Marco in water (that is not a rare sight allegedly)! I saw the pictures I could not believe my eyes. These pictures were taken at the Piazza San Marco. The lowest point of the famous city square is only 55 cm above the current sea level. According to studies, the average sea level in Venice has risen by approximately 32cm since the start of official record-keeping in 1872. If you do the math, you can tell how serious this problem is. But before talking about the flooding problem of the city, I need to share what I learned about the background history of Venice. The city of Venice located in Italy, a UNESCO World Heritage Site, has ancient origins. Its foundation and development took place over many centuries. Venice began to take shape around the 5th century AD as people from the surrounding region sought refuge on the islands within the Venetian Lagoon to escape invasions and conflicts on the mainland. Venice is essentially a city built on a series of natural and artificial islands within a lagoon. While the islands themselves existed in the lagoon, the city's construction involved significant human intervention, including driving wooden pilings into the marshy ground, creating stable foundations, and connecting the islands with bridges and canals. The city's foundation was built on wooden pilings, creating stable platforms for structures. Canals and waterways were adapted for transportation and drainage, while bridges connected different areas. The architecture incorporated Gothic, Byzantine, and Renaissance styles, uniquely adapted to the environment. Now let’s delve into the issue of the flooding. Actually, I don't know if flooding is a proper word. It seems a word, sinking or water submersion seems more appropriate to describe the situation. Predictions suggest that if sea levels rise by about 3 feet and 11 inches (119.3cm), Venice could be seriously affected by the end of the century, with St. Mark’s Basin (the lagoon where Piazza San Marco sits on) at risk of disappearing by 2050. Frequent flooding, including in the square, is becoming commonplace, impacting historic buildings, bridges, and the local economy. Venice has a long history of adapting to high tides known as "acqua alta." However, the sinking of the city's ground level, aggravated by industrial groundwater pumping, and more significantly, climate change, is causing more severe flooding. Efforts to combat flooding include moveable underwater barriers, protective shields for monuments, and projects like the MOSE barrier system, which aims to prevent flooding but raises concerns about environmental impact. However, the project is not without controversy. While advocates of the barrier system are firm in their belief that it successfully prevents flooding, there are also concerns among scientists that insufficient consideration has been given to the potential impact of the system on the brackish lagoon water. They argue that the elevation of the barriers depletes the marshes of the crucial sediment needed to maintain their health. Sources: https://www.rmg.co.uk/.../venice-flooding-climate-change ... . https://www.britannica.com/place/Venice/The-commune ←Previous Next→

  • Global Warming and the Sea Turtle Gender Crisis: A Race Against Time | Ctdp

    Home Our Mission Recycling Plastics Air Water Land Lifestyles Economy & Politics Media & Awards < Back Global Warming and the Sea Turtle Gender Crisis: A Race Against Time 🐢 Global Warming and the Sea Turtle Gender Crisis: A Race Against Time Global Warming and the Sea Turtle Gender Crisis: A Race Against Time Sea turtles, like their reptilian relatives such as alligators, don't rely on conventional sex chromosomes to determine their gender. Instead, they take a unique approach called temperature-dependent sex determination (TSD). Unfortunately, this distinctive method is now causing considerable concern due to the potential impact of global warming on the sex ratios of sea turtle populations. Rising temperatures might lead to a significant drop in male sea turtles, posing a serious threat to the survival of these species. Rising Temperatures and Skewed Sex Ratios Global warming is causing a crisis in sea turtle populations. For instance, recent studies show that over 99% of green sea turtles in the northern Great Barrier Reef are now born female, a result of increasing sand temperatures at nesting sites (Jensen et al., Current Biology , 2018). This trend is also significant among Florida's sea turtles, as the last four years have experienced some of the hottest summers in the state's history. Researchers studying sea turtle hatchlings and their eggs in this region found an unsettling absence of male sea turtles during this period. The critical factor in this gender determination process is the temperature of the sand where the eggs are buried: Below 81.86°F (27.7°C): Predominantly male hatchlings Above 88.8°F (31°C): Predominantly female hatchlings This skewed gender ratio not only threatens genetic diversity but also raises concerns about the potential decline in sea turtle populations due to challenges in successful breeding. The Role of Multiple Paternity: A Glimmer of Hope? Amidst this troubling scenario, a recent study offers a glimmer of hope. Since 2013, biologists collecting blood samples from hundreds of turtle hatchlings on Sanibel Island, Florida, made an intriguing discovery. DNA analysis revealed that male turtle DNA never appeared in the nests of more than one female. This suggests that females can mate multiple times and store sperm, laying eggs in different nests, each with a different father. The study concluded that, on average, for every sea turtle mother, there are nearly three fathers, indicating a higher number of breeding males than previously assumed ( Phillott & Godfrey, Biological Conservation , 2021 ). While this discovery is heartening, it does not address the core issue: the impact of rising temperatures on future male hatchling production. Why This Matters: Conservation at a Crossroads The reliance on TSD makes sea turtles particularly vulnerable to climate change. Increased sand temperatures not only feminize populations but also reduce hatching success rates. Scientists emphasize that while multiple paternity may temporarily support genetic diversity, it cannot compensate for the long-term decline in male turtles if warming trends continue ( Hays et al., Nature Climate Change , 2017 ). What Can Be Done? Urgent measures are needed to counteract the impacts of global warming and tackle the adverse effects of temperature-induced sex imbalances in sea turtles. Conservation strategies include: Shading Nesting Beaches: Using artificial shading or vegetation to lower sand temperatures. Relocating Nests: Moving nests to cooler areas or hatcheries with controlled conditions. Monitoring Climate Trends: Continuously tracking sand temperatures at key nesting sites. Community Engagement: Educating coastal communities on the importance of sustainable practices. While the discovery of multiple paternity provides some hope, it does not eliminate the threat posed by climate change. The resilience of sea turtle populations depends on proactive efforts to address the root cause of the crisis. Sources: https://oceanservice.noaa.gov/.../temperature-dependent ... . https://www.sciencenews.org/.../warming-ocean-water-sea ... https://www.science.org/.../promiscuous-female-sea ... https://www.newsweek.com/australia-99-great-barrier-reef ... ←Previous Next→

  • Puquios: Ancient Marvels Defying Arid Odds | Ctdp

    Home Our Mission Recycling Plastics Air Water Land Lifestyles Economy & Politics Media & Awards < Back Puquios: Ancient Marvels Defying Arid Odds 💦 Puquios: Ancient Marvels Defying Arid Odds In the arid valleys of southern Peru, the Puquios stand as a testament to ancient engineering brilliance. Spiraling holes, once a mystery, now reveal a sophisticated hydraulic system created by the Nasca people. These structures, dating back to before 1,000 BCE, provided a lifeline in an otherwise inhospitable environment. Utilizing satellite imaging, Rosa Lasaponara and her team unraveled the Puquios' secrets. Beyond being mere artifacts, these structures were crucial lifelines, supplying water year-round for agriculture, irrigation, and daily needs. The Puquios' continued functionality showcases the Nasca civilization's enduring technological prowess. The Puquios' genius lies in wind-catching funnels and canals, displaying not just environmental mastery but also cooperative construction and maintenance efforts. Beyond their utilitarian purpose, these structures may have served as tools of societal control, much like the iconic Nasca lines nearby. Today, the Puquios persist as symbols of the Nasca people's triumph over one of the world's driest regions. In exploring these ancient wonders, we uncover a narrative of survival and resilience, where ingenuity conquered the arid enigma of ancient Peru. Source: https://ancientwatertechnologies.com/.../puquios-of.../ https://www.bbc.com/.../20160408-the-ancient-peruvian ... ←Previous Next→

  • 🪼 The Immortal Jellyfish: Unlocking the Secrets of Turritopsis dohrnii 🪼 | Ctdp

    Home Our Mission Recycling Plastics Air Water Land Lifestyles Economy & Politics Media & Awards < Back 🪼 The Immortal Jellyfish: Unlocking the Secrets of Turritopsis dohrnii 🪼 🪼 The Immortal Jellyfish: Unlocking the Secrets of Turritopsis dohrnii 🪼 Turritopsis dohrnii In the vast and mysterious depths of the ocean, a tiny yet extraordinary creature defies the natural cycle of life and death. Turritopsis dohrnii , commonly known as the "immortal jellyfish," possesses a unique ability to escape aging and rejuvenate itself under certain conditions. This biological marvel has captured the attention of scientists worldwide, inspiring research into aging, cellular regeneration, and even potential medical breakthroughs for humans. Most jellyfish follow a straightforward life cycle: they hatch from eggs, develop into larvae, settle as polyps, grow into medusa (the adult jellyfish form), reproduce, and ultimately die. However, Turritopsis dohrnii has an astonishing ability— it can reverse its development . When faced with environmental stress, injury, or starvation, this jellyfish transforms its adult cells back into immature polyp cells, essentially starting its life over. This process, called transdifferentiation , allows the organism to bypass death and begin anew. While Turritopsis dohrnii is often labeled "immortal," this does not mean it is invincible. It can still fall prey to disease, predation, or environmental hazards. However, its ability to indefinitely reset its life cycle makes it unique among known organisms. Scientists are particularly interested in the jellyfish’s cellular mechanisms, which could provide valuable insights into human aging, tissue regeneration, and age-related diseases. The study of Turritopsis dohrnii has potential applications in regenerative medicine and aging research . By understanding the mechanisms behind its transdifferentiation process, scientists hope to uncover new ways to repair damaged tissues, combat degenerative diseases, and extend human lifespan. While these applications are still in their early stages, the jellyfish’s extraordinary biology offers a promising avenue for future discoveries. Conclusion Turritopsis dohrnii challenges our fundamental understanding of life and death, offering a glimpse into the possibilities of biological rejuvenation. As research continues, this tiny yet remarkable jellyfish could hold the key to unlocking the secrets of cellular regeneration, with profound implications for medicine and longevity. Sources: Piraino, S., Boero, F., Aeschbach, B., & Schmid, V. (1996). Reversing the life cycle: Medusae transforming into polyps and cell transdifferentiation in Turritopsis nutricula (Cnidaria, Hydrozoa) . The Biological Bulletin, 190 (3), 302-312. Martinez, D. E. (1998). Mortality patterns suggest lack of senescence in hydra . Experimental Gerontology, 33 (3), 217-225. He, J., Zheng, L., Fan, Y., Li, H., & Zhang, H. (2022). The genome of Turritopsis dohrnii provides insights into biological immortality . Proceedings of the National Academy of Sciences, 119 (36), e2118763119. Schmich, J., Kraus, Y., De Vito, D., Graziussi, D., Boero, F., & Piraino, S. (2007). Induction of reverse development in two marine Hydrozoans . International Journal of Developmental Biology, 51 (1), 45-56. Miglietta, M. P., & Lessios, H. A. (2009). A silent invasion: DNA analysis reveals the spread of the "immortal" jellyfish Turritopsis dohrnii in the Atlantic Ocean . Biological Invasions, 11 (8), 1835-1844. ←Previous Next→

  • Scientists Uncover Highly Probable Causes of Shrinking Arctic Ice and Gray Whale Mass Die-Offs | Ctdp

    Home Our Mission Recycling Plastics Air Water Land Lifestyles Economy & Politics Media & Awards < Back Scientists Uncover Highly Probable Causes of Shrinking Arctic Ice and Gray Whale Mass Die-Offs 🐳 Scientists Uncover Highly Probable Causes of Shrinking Arctic Ice and Gray Whale Mass Die-Offs 🐋 Climate change is affecting various ecosystems, especially with polar regions experiencing some of the most rapid changes. These changes have significant impacts on species and ecosystems, including even the largest animals on the planet. Gray whales are large marine mammals known for their lengthy migrations. They travel from warm wintering areas in Mexico to Arctic feeding grounds. Adult gray whales typically measure between 40 to 50 feet in length and can weigh between 30 to 40 tons. Over the years, more than 2,000 gray whales have been found dead off the Pacific coast in three unexplained mass die-off events. The most recent and ongoing mass die-off began in 2019 and has claimed the lives of 688 whales and counting. While the gray whale population had rebounded to around 25,000 individuals at its peak, it now stands at 14,500 and is declining due to these die-offs and diminishing birth rates. Climate change is causing the ice sheets in the Arctic to melt 4x faster, which is altering oceanic currents, warming water temperatures, and potentially changing the food supply for whales and other creatures. New research suggests that these unusual mortality events may be linked to shrinking Arctic ice, which has led to a decline in the whales' preferred food: coastal small crustaceans called amphipods. The shortage of food sources triggered by the deterioration of the ecosystem is likely to have caused thousands of gray whales to starve to death. In fact, major mortality events among gray whales coincide with periods of low prey biomass and restricted access to feeding areas. Also, any resulting changes in prey distribution could lead to changes in foraging behavior, nutritional stress, and diminished reproduction for gray whales. Additionally, changing water temperature and currents could impact the timing of environmental cues important for navigation and migration. The research on gray whales in the Arctic sheds light on the intricate relationship between environmental conditions, prey availability, and the dynamics of even long-lived, highly mobile species. Sources: https://oregoncapitalchronicle.com/.../unusual-deaths.../ ... . https://www.science.org/doi/10.1126/science.adi1847 https://www.youtube.com/watch?v=Kp9PxNca-J4 ←Previous Next→

  • First Recorded Rabies Outbreak in South Africa’s Seals Alarms Scientists | Ctdp

    Home Our Mission Recycling Plastics Air Water Land Lifestyles Economy & Politics Media & Awards < Back First Recorded Rabies Outbreak in South Africa’s Seals Alarms Scientists First Recorded Rabies Outbreak in South Africa’s Seals Alarms Scientists For the first time in recorded history, scientists have confirmed an outbreak of rabies among marine mammals. The discovery was made in Cape fur seals (Arctocephalus pusillus) along South Africa’s coastline. Researchers traced the virus to a terrestrial source, most likely black-backed jackals, and genetic analysis shows that rabies has now begun spreading between seals themselves. How It Began The virus is believed to have jumped from infected jackals to seals along the shore, possibly through contact with carcasses or bites. Rabies had previously never been recorded as sustained in a marine population. Retrospective testing revealed that the disease may have been circulating undetected since 2021, highlighting gaps in oceanic disease surveillance. Why It Spread Cape fur seals live in large colonies where biting and close contact are common, allowing saliva-borne viruses to spread quickly. Young seals often migrate between colonies, further accelerating transmission. Because seals have no prior immunity and vaccination in wild populations is nearly impossible, containment is a serious challenge. Impacts on Wildlife and People Rabies is now considered endemic in some Cape fur seal groups, posing new threats to both marine ecosystems and humans. In recent months, aggressive seal attacks on swimmers and surfers have increased around Cape Town. Although no human rabies cases have been confirmed, health authorities are urging anyone bitten or scratched to seek immediate medical care and post-exposure vaccination. Dog owners are also reminded to keep pets leashed and vaccinated, as they may interact with infected seals. What It Means This outbreak marks a major shift in our understanding of rabies. Once thought to be a strictly terrestrial disease, it has now crossed into marine life. The event underscores how closely land and ocean ecosystems are connected, and how diseases can bridge that boundary under the right conditions. Researchers are now monitoring the spread and sequencing viral samples to better understand how the virus adapted to marine hosts. While experimental seal vaccinations are being tested in a few high-contact areas, large-scale control remains nearly impossible. Resources: https://theecologist.org/2025/jul/14/rabies-sea https://apnews.com/.../seals-rabies-south-africa ... https://www.caperadd.com/.../rabies-in-cape-fur-seals.../ ... #endemic #rabies #SouthAfrica #Seals #animals #marineanimals #marinemammals #mammals #ocean #biodiversity #jackals #safety #rabie #disease #virus #infection #surfing #marinesports #ctdp #connectingthedotsproject #ecosystem #environment #Capefurseals #africa #solutions ←Previous Next→

  • Microplastics in the Arctic Ice Sheets and Mariana Trench | Ctdp

    Home Our Mission Recycling Plastics Air Water Land Lifestyles Economy & Politics Media & Awards < Back Microplastics in the Arctic Ice Sheets and Mariana Trench Microplastics in the Arctic Ice Sheets and Mariana Trench: A Global Concern Microplastic pollution has become an alarming global issue, with recent research revealing its presence in some of the most remote and extreme environments on Earth. Studies have shown that microplastics are accumulating in Arctic ice sheets and even in the deepest part of the ocean, the Mariana Trench. These findings highlight the far-reaching impact of human activities on the planet and raise concerns about the potential consequences for ecosystems and climate regulation. Microplastics in the Arctic Ice Sheets A study published in the journal Geoscience Frontiers sheds light on the presence of microplastics in Arctic ice sheets. The research reveals that these tiny plastic particles are embedded in ice, snow, seawater, rivers, and sediments, making the Arctic a temporary sink for microplastic pollution. However, as the ice melts due to rising global temperatures, the microplastics trapped in these frozen reserves are released back into the environment, contributing to further contamination. Microplastics in the Arctic originate from various sources, including ocean currents transporting plastic waste from distant regions, atmospheric deposition, and local human activities such as shipping and fishing. Their presence in such a fragile ecosystem raises concerns about their impact on Arctic marine life, which relies on the region’s pristine environment for survival. These plastics may be ingested by plankton, fish, and larger marine animals, disrupting the food chain and potentially entering human diets through seafood consumption. Moreover, microplastics in Arctic ice may influence climate change. Dark-colored particles in the ice can reduce its reflectivity (albedo effect), causing it to absorb more heat and accelerate melting. This feedback loop exacerbates global warming and poses a threat to Arctic habitats and communities. Microplastics in the Mariana Trench The discovery of microplastics in the Mariana Trench, the deepest point in the ocean, demonstrates the extent to which plastic pollution has infiltrated Earth’s ecosystems. Research published in Geochemical Perspectives confirms that plastic debris is not just a surface-level issue but has made its way into even the most remote and extreme marine environments. Scientists have found microplastics in deep-sea sediments and within marine organisms living in the trench, proving that plastic particles are being transported across oceanic depths. The sources of these plastics include sinking surface debris, microfibers shed from synthetic clothing, and waste carried by ocean currents from polluted coastlines. The implications of microplastics at such depths are concerning. Deep-sea organisms are particularly vulnerable because their slow metabolism and long lifespans make them more susceptible to bioaccumulation. The ingestion of microplastics may introduce harmful chemicals into their systems, impacting their survival and potentially altering deep-sea ecosystems that have remained largely undisturbed for millennia. Global Implications and Call for Action The presence of microplastics in both the Arctic ice sheets and the Mariana Trench highlights the pervasive nature of plastic pollution and its ability to reach even the most isolated environments on the planet. This widespread contamination raises concerns about the long-term effects on marine biodiversity, climate regulation, and human health. Addressing this crisis requires a collective effort to reduce plastic production, improve waste management, and develop sustainable alternatives. Governments, industries, and individuals must take proactive measures to limit plastic pollution, such as enforcing stricter regulations on plastic use, investing in innovative materials, and promoting responsible consumption. As research continues to uncover the true scale of microplastic pollution, it is crucial to act swiftly to mitigate its impact. The findings from the Arctic and the Mariana Trench serve as a stark reminder that no place on Earth is immune to the consequences of human activity, and urgent action is needed to protect our planet’s most fragile ecosystems. Source: http://geosciencefrontiers.com/cn/article/pdf/preview/10.1016/j.gsf.2023.101566.pdf https://www.nationalgeographic.com/environment/article/microplastic-pollution-is-found-in-deep-sea https://oceanconservancy.org/blog/2021/01/11/microplastics-found-earths-deepest-trough-highest-peak/ http://geosciencefrontiers.com/cn/article/pdf/preview/10.1016/j.gsf.2023.101566.pdf https://sos.noaa.gov/education/phenomenon-based-learning/plastic-in-mariana-trench/ ←Previous Next→

  • Who do you side with? | Ctdp

    Home Our Mission Recycling Plastics Air Water Land Lifestyles Economy & Politics Media & Awards < Back Who do you side with? 🤔 Who do you side with?👀 In Laguna Beach, a surfer named Greg Viviani, also known as SoLagLocal, was fined for digging a hole to create a standing wave at Aliso Beach. This beach is popular for skimboarding and occasionally heavy shorebreaks. The controversy centers around the creek along the sand, which can create a standing wave when it breaks, either naturally or through human intervention. The city of Laguna Beach has been issuing citations to surfers and skimboarders who dig out the creek, arguing that it pollutes the ocean. In response, Viviani and local activists have started a petition against these regulations, claiming that the creek will naturally break and flow, and that preventing this could lead to stagnant water and bacteria buildup. It’s a developing story with ongoing debates between the local government and the surfing community. Sources: https://www.surfer.com/.../surfer-fined-for-digging ... https://www.msn.com/.../video-surfer-fined.../ar-BB1i5kPs https://www.youtube.com/watch?v=PGUJbr3Awhc ←Previous Next→

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