7 major environmental regulations being weakened, waived, or repealed — and what it means for your air, water, and health
Sustainability Awakening · October 2026
The EPA's updated power sector rule, designed to slash CO₂ from coal and gas plants by 2035, has been weakened through new exemption pathways — effectively delaying mandatory reductions for hundreds of plants.
⚠️ Impact: ~200 million tons of additional CO₂ by 2035
The "Waters of the US" definition has been narrowed again, removing Clean Water Act protections from millions of acres of seasonal wetlands and streams that feed into drinking water supplies.
⚠️ Impact: Up to 50% of US wetlands lose federal protection
New exemptions allow oil and gas operators to delay plugging methane-leaking wells, despite methane being 80× more potent than CO₂ over 20 years.
Tailpipe emission targets for 2027–2030 model years have been loosened, slowing the EV transition mandate and keeping more high-emission vehicles on roads longer.
Review underway to ease air quality rules governing fine particle pollution linked to heart disease and lung cancer
Implementation timelines for Superfund PFAS cleanup sites being stretched, delaying remediation of contaminated drinking water
Compliance deadlines for coal ash pond closure extended, leaving communities near power plants at continued contamination risk
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