California air regulators on Thursday adopted a first-in-the-nation mandate requiring low-carbon fuels, part of the state’s wider effort to reduce greenhouse gas emissions.

California air regulators have adopted the nation’s first mandate for low-carbon fuels, a major step in the state’s effort to reduce greenhouse gas emissions.

California air regulators are considering first-in-the nation rules to require low-carbon fuels as part of the state’s wider effort to reduce greenhouse gas emissions.

Tennessee’s unusual commitment to cover the cost of any future carbon tax for green companies that make major investments is being credited for luring two big solar energy developments worth more than $2 billion.

A NASA mission to monitor global warming from space ended Tuesday when a satellite plunged into the ocean near Antarctica minutes after launch. An equipment malfunction was apparently to blame, officials said.

A rocket carrying a NASA satellite crashed near Antarctica after a failed launch early Tuesday, ending $280 million mission to track global warming from space.

A rocket carrying a NASA global warming satellite has landed in the ocean near Antarctica after a failed launch.

A NASA satellite launched on a two-year mission to track carbon dioxide emissions worldwide had technical problems shortly after its pre-dawn takeoff that put the mission in jeopardy.

NASA has launched a satellite on a two-year mission to track carbon dioxide emissions worldwide.

Investigators in Philadelphia believe a generator used to run an air compressor that inflated balloons is to blame for a carbon monoxide scare that sent 17 people to a hospital.