The growth of forest trees all over the world is becoming more water-limited as the climate warms, according to new research from an international team that includes University of Arizona scientists.

After several years during which global emissions at least stagnated, they rose again somewhat in 2017 and 2018.

How is climate change affecting the soils of the Arctic? This question has preoccupied climate researchers for the past several years. 

Too much of a good thing can be a bad thing. That’s certainly true for nitrogen fertilizers.

Since 1985, Canadian glaciers have shrunk 15 per cent, a number that could rise to 100 per cent by the end of the century.

Coral reefs in remote, uninhabited areas of the American Pacific are generally in good condition, while reefs in the regions that are closer to human populations show more signs of impacts, according to five status reports on reef ecosystems released today by NOAA.

If you compare historical photos of glaciers with those taken more recently, you can see that where there was formerly ice there is now very often nothing but rock.

A new study is shedding light on the importance of one critical resource for Andean bears living in the dry mountain forests of Peru: water. 

Climate change-induced melting will raise global sea levels for decades to come.

With a temperature sensor in hand, researchers can engineer crops that produce yields in warmer climates.