environment16.595 min read
Africa's Great Green Wall: A grand dream unraveling in the desert
2 hours ago•Source: NPR
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EPA proposes looser coal-ash rules, sparking groundwater concerns
The EPA proposed weakening cleanup rules for coal ash disposal, including easing groundwater monitoring, allowing exemptions to national standards, and expanding the reuse of coal ash, moves critics say could leave toxins like mercury and lead in groundwater. The plan would roll back some Biden-era protections that required site-wide cleanup and stricter controls, prompting opposition from environmental groups despite industry calls for flexible, site-specific approaches and potential cost savings.
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Forest Service Shakeup Moves HQ to Utah, Shuts Regions and Science
An opinion piece argues the Trump administration is conducting a coordinated dismantling of the US Forest Service by relocating its headquarters to Utah, shuttering all regional offices, consolidating decades of research facilities, and replacing career staff with political appointees, effectively paving the way for transferring federal lands to the states and eroding scientific capacity; it urges Congress to immediately block relocation and funding until full oversight and debate are possible.
Warming conditions push emperor penguins and fur seals onto endangered list
Two iconic Antarctic species—the emperor penguin and the Antarctic fur seal—have been declared endangered by IUCN due to habitat shifts from global warming, with threats including early ice breakup and prey scarcity that underscore climate change’s broader impact on Antarctic ecosystems.
Nighttime Bats Over Your Yard Signal a Healthy Ecosystem and Pest Control
Nighttime bats circling yards indicate abundant insects and provide natural pest control through echolocation; urban bats help reduce crop damage and pesticide use, with Brazilian studies citing about $390–$391 million in annual savings, while rabies risk remains under 1% and bat houses support conservation.
Self-experimentation with venom fuels a potential universal antivenom
A Wisconsin window cleaner, Tim Friede, deliberately subjected himself to about 200 snake bites to build immunity, creating antibodies now used by Centivax to pursue a near-universal antivenom. His extraordinary risk—near-fatal collapses, coma, and severe tissue damage—has yielded antibodies that neutralize toxins from 19 elapid snakes, with a planned Australian pet trial before any human use. If successful, the work could reduce the roughly 138,000 annual snakebite deaths and 400,000 disfigurements, addressing a growing risk as climate change increases human–snake encounters.
Emperor penguins endangered as Antarctic sea ice vanishes
An IUCN red list update moves emperor penguins from near threatened to endangered as climate-driven sea-ice loss triggers mass chick drownings and colony collapses, with the population expected to decline about 50% by the 2080s (to roughly 595,000 adults), highlighting broader Antarctic ecosystem stress including krill-dependent species such as fur seals.
Glacier-edge lakes accelerate Greenland ice loss, study finds
A new satellite-based study from the University of Leeds shows meltwater lakes forming at the ends of retreating Greenland glaciers (ice-marginal lakes, IMLs) actively speed up ice loss by lifting glacier fronts, reducing friction, and increasing calving, with fronts up to about three times faster and effects measurable up to 3.5 km inland. The finding implies current ice-sheet models should include IMLs to better project Greenland’s contribution to future sea level rise, alongside ongoing warming that already drives about 0.8 mm/year of sea-level rise and substantial ice loss.
Washington Bets on Conservation as Snowpack Shrinks and Drought Looms
Washington state has declared a statewide drought emergency after an unusually warm winter left mountain snowpack near record lows, threatening summer water supplies, fish habitat, and wildfire risk; officials warn supplies will likely fall short of demand and have launched emergency measures, including grants and expedited water-right processing, as forecasts show continued high temperatures and below-normal precipitation through June.
EPA Pushes Replacements for Faulty Urea Sensors in Diesel SCR Systems
The EPA indicates it will not deregulate DEF but encourages replacing unreliable urea quality sensors in diesel SCR systems with alternatives (such as NOx sensors) to verify DEF concentration. The agency notes that third parties can remove urea sensors if they install an effective replacement, though no emissions deletes are allowed. The move follows reports of high failure rates and ongoing cold-weather issues with DEF, and comes amid state-level interest in easing DEF requirements in harsh climates.
Rice’s Whale Faces New Threats as Gulf Drilling Expands
Rice’s whale, a rare Gulf of Mexico baleen whale with only dozens to a few hundred individuals, is at greater risk from President Trump’s plans to expand Gulf drilling. Scientists warn that increased offshore activity, noise, and habitat disruption could further imperil the endangered species, prompting calls for stronger protections and careful consideration of drilling projects.
Torpid dormouse rescued after deflated balloon entanglement in Essex tree
A hibernating dormouse was found fast asleep inside an old deflated helium balloon caught in a tree during a Essex Wildlife Trust litter-picking event. It was unharmed and relocated to a safe habitat, highlighting the species’ vulnerability and the dangers that litter, like balloons, pose to wildlife.