The human cost of the climate crisis will hit harder, wider, and sooner than previously believed, according to a study that shows a billion people will either be displaced or forced to endure insufferable heat for every additional 1 degree Celsius rise in the global temperature.

The more the EU economy succeeds in dialing down greenhouse gas emissions, the more the rest of the world will turn them up – unless a similar level of green ambitions is shared by others.

China's implementation of a national carbon trading market to reduce greenhouse gas (GHG) emissions requires reliable and timely information on GHG sources and impacts.

When winter smog takes over Asian mega-cities, more particulate matter is measured in the streets than expected. 

On March 19, California was one of the first states to set mandatory stay-at-home restrictions in an attempt to slow the spread of COVID-19.

No human being on this earth comes through life without breathing, drinking water and consuming salt. For the vast majority of us, this also means involuntary ingestion of microplastics.

Carnegie Mellon University researchers working with an international team of scientists have discovered a previously unknown mechanism that allows atmospheric particles to very rapidly form under certain conditions.

Researchers at U of T Engineering and Carnegie Mellon University are using artificial intelligence (AI) to accelerate progress in transforming waste carbon into a commercially valuable product with record efficiency.

University of Guelph-developed DNA metabarcoding technology has been found to be more effective at monitoring biodiversity of ecosystems than traditional methods. 

NOAA scientists and colleagues have created an image of the change in nighttime illumination over metropolitan New York City and surrounding regions since the COVID-19 slowdown.