President Trump is expected to announce a new federal rule to speed up the environmental review process for proposed highways, gas pipelines and other major infrastructure.

U.S. officials will review whether grizzly bears have enough protections across the Lower 48 states after advocates sued the government in a bid to restore the animals to more areas.

A federal judge in San Diego who was taunted by Donald Trump during the presidential campaign has sided with the president on a challenge to building a border wall with Mexico. 

A rural county has joined an environmental group in challenging an upcoming oil and gas lease sale in central Nevada that could open 174,000 acres of public land to hydraulic fracturing, better known as fracking.