Solicitor General’s brief backs communities’ position that climate liability litigation belongs in state court, a technical fight that has delayed many accountability lawsuits.

The Treasury Department's definition will affect billions of dollars in federal subsidies for the nascent industry.

Science and data shows that ECP brakes help prevent rail accidents like the recent one in Ohio. So why won't the industry embrace them?

Experts warn that a growing network of carbon dioxide pipelines are dangerous and under-regulated.