Recent occurrences of the unusual atmospheric phenomenon wowed people in the southern United States.

Great Lakes ice coverage was the smallest in decades

In the northern high latitudes, trees aren’t the only fuel available to burn.

A recent report says geology and groundwater pumping have created a "perfect storm" for sinking cities.

If temperature varies strongly from day to day, the economy grows less. 

COVID-19 has not only caused a temporary drop in global CO2 emissions, it has also reduced the share of power generated by burning coal – a trend that could in fact outlast the pandemic. 

Primeval forests are of great importance for biodiversity and global carbon and water cycling. 

To arrive at Nunavut, turn left at the Dakotas and head north. 

Passive cooling, like the shade a tree provides, has been around forever.

But a new study from the University of Adelaide, published in Nature Climate Change, shows that the ocean acidification predicted under continuing high CO2 emissions may make cooler, temperate waters less welcoming.