Phytoplankton produce half of the oxygen in our atmosphere, but understanding how they respond to climate change is complicated and critically important.

New research proposes classifying the threatened tree as an “umbrella species” because of its oversized ecological role.

Connecting with nearby nature can give people a much-needed boost — and help save wildlife, too.

California newts faced the worst drought conditions in 1,200 years, but new research finds that the lack of precipitation may not have been their biggest threat.

A new book from veteran author Mark Kurlansky explains why helping to save salmon is one of the best things we can do for ourselves and the planet.

As biodiversity disappears, the risk to human health increases. Experts say we need to protect wild spaces and species to help prevent future outbreaks.

For example, in Florida, the loss of just 3% of wetland coverage resulted in $480 million in property damage during just one hurricane.

March’s best books examine how cities (and families) can fight climate change; look at the history of Earth Day; and reveal growing threats to the world’s wild spaces.

Three strategies can help transform transportation in America — and regional cooperation by states would take things further, faster.

Covering environmental issues these days can be tough. But it’s needed more than ever, says Society of Environmental Journalists president Meera Subramanian.