“Climate change is real and it is here, and it’s not going away. We need your help,” writes Joëlle Gergis in the new book Humanity’s Moment.

Researchers have found PFAS in the bodies of wild animals everywhere they’ve looked. Now they’re beginning to understand the health effects.

Accumulating sediment in reservoirs is affecting how much water dams can hold back to supply water for drinking, irrigation and flood control.

New research shows that these ecosystem engineers can be an “ally in stopping the decline of biodiversity.”

California’s recent floods show that we aren’t ready for the bigger storms that climate change will bring, an expert warns.

A bounty of much-needed new federal funds will help reconnect habit for freshwater and terrestrial animals.

To anticipate the impacts of a historic river restoration, we need to understand how salmon, bats, insects, algae and other parts of the ecosystem are behaving today.

Better accounting can go a long way in establishing sound policy to tackle the climate crisis.

Indigenous-led prescribed fire is helping to restore depleted lands and long-suppressed cultural practices.

Disability is too often left out of the conversation about equity and inclusion in the outdoors. We can change that.