oil

Colorado leaders signaled their intent to take a more aggressive approach to cutting ozone pollution from the oil and gas industry.

The lawsuit alleges that the Bureau of Land Management failed to take a "hard look" at the impact ConocoPhillips' drilling project will have on the environment.

Bending to the economic interest in exploiting Alaska's petroleum-rich North Slope, the move undercuts a Biden campaign promise to stop new oil drilling on federal lands.