A third of bird species in Chicago are laying their eggs a month earlier than they did 100 years ago, according to a new study that compares recent observations with data from century-old eggs.

As the population grew, the conversion of natural landscapes into farmland has become common in parts of the continent.

Organic aerosols (OAs), an important and abundant fraction of the arctic aerosol mass, plays an important role in modulating the radiative balance of the Arctic atmosphere.

The people, economy, and ecosystems of the Pacific coast states of California, Oregon and Washington are highly dependent on cool-season atmospheric rivers for their annual water supply.

The consequences of climate change are becoming increasingly frequent and alarming, especially in regions like the Mediterranean. 

The Great Barrier Reef is undergoing its sixth mass bleaching event, as unusually warm waters stress corals, authorities say. 

A University of Miami research facility in Barbados is the source of one of the largest aerosol filter archives in the world and provides vital insight into the transport of Saharan dust particles across the Atlantic.

Spring is in the air. Birds are singing and beginning to build their nests. 

Record-breaking Victorian weather has been revealed after millions of archived rainfall records dating back nearly 200 years were rescued by thousands of volunteers during the first Covid-19 lockdown.

Tropical peatlands are one of the most efficient carbon sinks.