An estimated 31% of the world’s oak species are threatened with extinction according to data compiled in a new report by The Morton Arboretum and the International Union for Conservation of Nature (IUCN) Global Tree Specialist Group, The Red List of Oaks 2020. 

As oceans warm and become more acidic and oxygen-poor, Smithsonian researchers asked how marine life on a Caribbean coral reef copes with changing conditions.

Because of land use and climate change, lakes and reservoirs globally are seeing large decreases in oxygen concentrations in their bottom waters.

Around a quarter of the ground in the northern hemisphere is permanently frozen. These areas are estimated to contain about twice as much carbon as the world’s current atmosphere.

Early ice retreat amid warm Arctic air temperatures set the stage for the slow refreeze in 2020.

For a satellite with ice in its name, and measuring ice as its mission, NASA’s ICESat-2 is also getting a lot of attention from scientists who have warmer subjects in mind.

November 30 saw a historic conclusion to the 2020 hurricane season

The Pacific Ocean’s currents support a diverse ecosystem. Warmer currents during the last ice age may also have supported early human settlements.

Polar climate scientists have created the most high resolution past record of the Southern Hemisphere westerly winds. 

Only 40 per cent of forests are considered to have high ecological integrity, according to a new global measure, the Forest Landscape Integrity Index.