A fleet of new natural gas-fired power plants in Texas may cost $18 billion, much more than an earlier estimate, as lawmakers attempt to improve the state’s electric grid after its deadly failure in 2021.

A federal district court has dismissed environmental groups’ lawsuit claiming a plastics packaging company illegally produced PFAS, while a separate EPA lawsuit making the same allegations proceeds.

A Mississippi community group sued the Environmental Protection Agency on Friday for approving a petrochemical project they say poses a massive cancer risk.

Proposed changes to the way federal agencies write rules would give the EPA more leeway to issue tougher regulations on air emissions, toxic chemicals, and other environmental harms, legal scholars say.

Commerce Secretary Gina Raimondo called on European governments to work with the US to fight climate change and counter Chinese clout, the latest sign that Washington hopes allies follow its lead in passing a landmark climate bill.

Hawaii youth plaintiffs will have their day in court after a state judge ruled Thursday to allow their climate lawsuit to proceed to trial in the fall.

A Connecticut-based marine construction company must shoulder the cost of cleaning up an oil discharge from its ship off the coast of Massachusetts, a federal judge ruled.

George Costanza made hitting home runs sound easy when he described it on Seinfeld: “Calculate the velocity, v, in relation to the trajectory, t, in which g, gravity, of course remains a constant. It’s not complicated.”

Republicans are gearing up for the next round in their fight with President Joe Biden over the “Waters of the US” rule.

Defining conservation as a “use” of federal land as part of a new Interior Department proposal threatens oil and gas development and indicates a shift in how large swaths of the West are managed, natural resources lawyers say.