Climate: Corporate 'net zero' pledges lack credibility

Nearly half the world's biggest companies have pledged to erase their carbon footprints by around mid-century, but only a handful have credible game plans for doing so, climate policy research groups said Monday.

China tests a Stirling engine in orbit

The China National Space Agency (CNSA) has made considerable progress in recent years with the development of its Long March 5 (CZ-5) rocket and the completion of its Tiangong-3 space station. The agency also turned heads ...

Methane big part of 'alarming' rise in planet-warming gases

Methane in the atmosphere had its fourth-highest annual increase in 2022, the National Oceanic and Atmospheric Administration reported, part of an overall rise in planet-warming greenhouse gases that the agency called "alarming."

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