Ecosystem Threats Loom as U.S. Rolls Back Environmental Regulations and Global Monitoring Declines
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Ecosystem Threats Loom as U.S. Rolls Back Environmental Regulations and Global Monitoring Declines
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According to Chemical and Engineering News, the U.S. Environmental Protection Agency is preparing a new wave of deregulation in 2026, including efforts to rescind the landmark greenhouse gas endangerment finding that underpins many federal climate and air quality rules, and to delay tighter vehicle emission standards for cars and heavy duty trucks. These moves could increase carbon dioxide and nitrogen oxide pollution, with cascading effects on air quality, climate, and sensitive ecosystems such as coastal wetlands and high elevation forests that are already stressed by warming and ozone.
The Columbia Law School Sabin Center for Climate Change Law reports that climate litigation is intensifying, with new cases filed by states, tribes, and community groups seeking to block rollbacks and to force stronger protections for waterways, wetlands, and frontline communities. Recent filings highlight places such as the Gulf Coast, where industrial expansion threatens coastal marshes that buffer hurricanes, and the Colorado River Basin, where water scarcity is colliding with habitat needs for endangered species.
In parallel, the law firm Williams Mullen notes that the Environmental Protection Agency and the U.S. Army Corps of Engineers have just closed a public comment period on another revision to the definition of waters of the United States under the Clean Water Act. The proposal narrows which streams and wetlands receive federal protection, raising the risk that seasonal or small tributaries, prairie potholes, and isolated wetlands could be filled or polluted without federal permits. Ecologists warn that these smaller waters are critical nursery and filter systems that support downstream rivers, fisheries, and drinking water supplies.
Beyond the United States, a new special report in the journal BioScience, highlighted by Phys dot org, warns that long term ecological research networks around the world are under threat from budget cuts and political interference. The authors stress that ecosystems provide services valued at roughly one hundred twenty five trillion U.S. dollars per year, yet the monitoring programs needed to track forest health, coral reef bleaching, species migrations, and invasive species are being downsized or canceled just as climate change accelerates.
Together, these developments point to a pattern in which U.S. policy decisions on air, water, and climate, combined with weakening global monitoring, are increasing uncertainty at the very moment when robust science and stable protections are most needed to safeguard ecosystems and the communities that depend on them.
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