The Columbia River is critical for fish, energy, commerce and identity. But it faces an uncertain future. How much more can ...

As sea levels climb and weather grows more extreme, coastal regions everywhere are facing a creeping threat: salt. Salinization of freshwater and soils adversely affects 500 million people around the ...

In the 1970s, the USSR used nuclear devices to try to send water from Siberia's rivers flowing south, instead of its natural ...

The derailed cars were carrying hot asphalt and molten sulfur, officials said. Cleanup is continuing at the site where a train carrying potentially hazardous materials derailed into the ...

Our investigation found that a factory owned by a former Czech prime minister should have been the prime suspect in an ...