Scientists quickly pronounced the summer 2021 heat wave that hit western North America to be unprecedented, but they had no long-term physical proof. Now they do.

Marie Tharp was a marine scientist in a man’s world. Robert Smalls was a skilled sailor, but held as a slave. Both are now being honored by the U.S. Navy.

IRAtracker.org is a free resource that includes a searchable database of the bill’s climate change-related provisions and actions taken by federal agencies to implement those provisions.

Giant trains of warm, moist air are playing havoc with Arctic sea ice during the season when it should be recovering from summer melting.

Acoustic recorders detected promising changes in the soundscape after a restoration project in India.

Using sophisticated equipment, David Kohlstedt has recreated the pressure, temperature and chemical conditions in the Earth’s mantle, which humans cannot observe directly. His findings have laid the basis for understanding many of the processes that drive the planet’s dynamics.

Last year saw a continuation of the long-term rise in the planet’s average temperature.

A hyper-local study of vegetation shows that the city’s trees and grass often cancel out all the CO2 released from cars, trucks and buses on summer days.

Several weeks during summer 2021 saw heat records in the western United States and Canada broken not just by increments, but by tens of degrees, an event of unprecedented extremity. To what degree was it climate change, bad luck, or a combination?

Moving from fossil fuels to solar panels, wind turbines and other renewable energy sources will by itself create a new stream of carbon emissions with the construction so much new infrastructure. The good news: Speeding the transition would greatly reduce this effect.