From rollbacks to canceling grants, the EPA administrator is tackling the conservative blueprint's to-do list with gusto.

The stakes are high, and conflict is escalating. The tussles are over rare metals, ores, timber, space – and the right to be left alone.

Dozens of companies and academic groups are pitching the same theory: that sinking rocks, nutrients, crop waste or seaweed in ...

In terms of our major sources of exposure, he said that microplastics are like “forever chemicals” known as PFAS in that they ...

Fires and agricultural soils can rival cars and factories in emitting chemicals that lead to ozone, making it hard to meet air quality standards.