"The department’s inspector general found Zinke had repeated contact with developers about a real estate deal and lied about it to an ethics official. The Justice Department declined to bring charges."

"Antarctica’s two native flowering plants are spreading rapidly as temperatures warm, according to the first study to show changes in fragile polar ecosystems have accelerated in the past decade."

"Communities of color bear a disproportionate burden from pollution, research shows. But using race to allocate federal help could result in legal problems."

"A new initiative aims to reduce emissions from steel, cement, aluminum and other materials used in the industrial sector, which generates about a third of the nation’s greenhouse gases."

"WASHINGTON — The Biden administration on Tuesday will set out a strategy for buying “clean,” lower-emissions steel, cement, aluminum and other industrial materials for federal agencies and projects, part of its effort to reduce carbon emissions from industrial manufacturing.