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Nuclear war would cause many immediate fatalities, but smoke from the resulting fires would also cause climate change lasting up to 15 years that threatens worldwide food production and human health, according to a study by researchers at Rutgers University, the National Center for Atmospheric Research and other institutions.

Humans are shaping environments at an accelerating rate. 

Nitrous oxide (N2O) is a potent greenhouse gas, with 300 times the warming ability of carbon dioxide.

One potential problem with the concept of marine cloud brightening: the challenge of selecting salt particles that are just the right size to brighten marine clouds.

The economic consequences of the COVID-19 pandemic caused CO2 emissions from buildings and construction to fall significantly in 2020, but a lack of real transformation in the sector means that emissions will keep rising and contribute to dangerous climate change, according to the 2021 Global Status Report for Buildings and Construction.