The U.S. biochar market has been slow-growing, but several types of businesses are tapping into the market, including a few waste-to-energy project developers.
The final part of a two-part series highlights scientists’ findings confirming that coal ash contaminants are leaking into groundwater and surface water.
Part one of a two-part series looks at how some states are making their own rules to manage coal ash as the federal government rolls back Obama-era protections.
PFAS provisions had been a major source of tension between House and Senate negotiators.