Rivers are warming and losing oxygen faster than oceans, according to a Penn State-led study published today (Sept. 14) in the journal Nature Climate Change.

Harmful algae can endanger public health and coastal ecosystems and economies.

The research, published in Nature Communications, showed periodic wet phases in the Sahara were driven by changes in Earth’s orbit around the Sun and were suppressed during the ice ages.

For years, sci­ent­ists have as­sumed that there are oceans of wa­ter be­neath the ice cov­ers on the moons En­ce­ladus and Europa.

The climate-driven advance of beavers into the Arctic tundra is causing the release of more methane — a greenhouse gas — into the atmosphere.

As the climate and wildfire crises have intensified, so too have concerns regarding the loss of carbon captured and stored in forests from decades to centuries of tree growth. 

Keystone species are integral to maintaining the balance and health of ecosystems.

Like most people during the pandemic, Alex Kolker found himself with extra time on his hands.

Real-time shifts in marine ecosystems and species demand “climate-ready” fisheries. 

Marine heatwaves aren’t just on the surface. They can be at their most destructive when they sweep along the seafloor.