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.

The greenhouse gas burden of inland waters

In a new pair of studies, a global team of scientists reassessed greenhouse gas emissions stemming from rivers, streams, lakes, and reservoirs. The studies update previous estimates of greenhouse gas emissions from inland ...

Students set to launch self-built rocket into space

The Hybrid Engine Development (HyEnD) student team at the University of Stuttgart has spent around three years developing, manufacturing, and testing its hybrid rocket. In mid-April, the rocket will be launched into space ...

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."

Acidification of slurry to reduce ammonia and methane emissions

Ammonia released into the environment is a major problem. Agriculture is considered the most prolific polluter—it is responsible for 95 percent of these emissions in Germany. The colorless, acrid gas is toxic in higher ...

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