Our planet’s history includes episodes of cold so extreme that glaciers reached sea level in equatorial regions.
Much of North America was warm and dry in January 2021, while Europe and parts of Russia were cool and wet.
There's a 60% chance that ENSO-neutral conditions will return this spring. Our blogger covers the forecast, and what "average" really means.
Top-10 warmest January for contiguous U.S., Great Lakes ice cover well below average
A single sensor deployed on a light-rail public train could provide as much information about the city's carbon dioxide emissions as 30 stationary monitoring stations, at a fraction of the cost.
