Nathan Rott

Millions of animals die on roads, and the new infrastructure law includes money for wildlife crossings to keep them safe. We visit the site where the first major urban crossing will soon be built.

The ruling revokes leases sold in the Gulf of Mexico in the largest oil and gas lease sale in U.S. history. It says the Interior Department failed to consider the greenhouse gases it would produce.

A famed desert landscape has reemerged as water levels in Lake Powell reservoir have fallen to record lows. It's raising questions about the future of this oasis and water in the American West.

The Biden administration, reversing another Trump rollback, is tightening vehicle fuel mileage standards. It comes as much of Biden's other climate plans are at risk.

The Western megadrought is revealing a famed desert landscape long drowned by a controversial dam. It's raising questions about the future of this oasis, and water in the American West.

The Oregon-born gray wolf gained a following this year when it became the first to travel to Southern California in a century. Wildlife officials say it appears to have been struck by a vehicle.

Despite pledging to take action on climate change at the international event, the Biden administration says its hands were tied after a federal judge stopped its attempt to pause the leasing program.

Despite its pledges to combat the worsening climate crisis, the Biden administration is opening tens of millions of acres in the Gulf of Mexico to oil and gas leasing.

The new infrastructure package allocates billions of dollars for projects to strengthen the country's resilience to climate change. But there are questions about whether it's even close to enough.

A new report finds some climate impacts are already irreversible and will last for many decades to come. It calls for far more money to help countries prepare for the growing risks they face.

A welcome early season deluge of rain in California has not ended the drought which persists in other parts of the West as well. The warming climate makes it harder to replenish rivers and reservoirs.

A Lancet medical journal report finds that human-caused climate change is worsening human health in just about every measurable way. It calls for more urgent action from world leaders.

The wetlands damaged in southern California's oil spill had been restored decades ago, and are some of the last remaining in the area. Ecologists say damage from the recent spill will be long lasting.

The clean up and investigation continues after a major oil spill off California's coast. In a place where most marshes have been lost, it damaged a restored wetland that's a refuge for shorebirds.

An oil spill off Huntington Beach has released more than 140,000 gallons of crude oil into coastal waters — killing marine life and fouling wetlands.

Nearly two dozen species are being removed from the endangered species list because they are extinct. More than a million other species are at risk of extinction because of human activities.

To slow the collapse of nature, the Biden administration is promising to protect nearly a third of the country's land and water by 2030. The plan is expected to rely heavily on private landowners.

For the millions of Americans dealing with wildfire smoke this summer, the message is to stay inside and shut windows. But new research shows smoke is making indoor air hazardous, too.

Tens of millions of Americans are forced to live with wildfire smoke now every year. New research shows that it's more invasive than previously thought, infiltrating homes, schools and offices.

There's a history of wildfire across America, a threat made worse by the warming climate. And more people are moving to fire-prone areas without realizing the danger.