NYTimes - Environment

We know that trees are good for cities. A new study finds that mature trees are especially good.

At least a half-dozen federal agencies have taken action against the state that has led the nation in environmental protections.

Hundreds of aircraft traversing the North Atlantic will be asked to adjust their altitude in an effort to reduce heat-trapping contrails.

Levels in Lakes Mead and Powell have not been so low since 1957, underscoring a water crisis that plagues seven states that rely on the Colorado River.

The recurring climate phenomenon is poised this year to enter a new phase known as a super El Niño, exacerbating the effects of climate change.

The move to repeal the ‘roadless rule’ would pave the way for road construction and logging in nearly 45 million acres of untouched back country.

The rule to require efficient replacement tires was praised by environmentalists. But manufacturers warned that the change would hurt American companies and increase tire prices.

A federal judge ruled that the Trump administration broke the law when it approved a deal to allow a road through the Izembek National Wildlife Refuge.

The suit claims the U.S. decision to allow mining for minerals in American waters didn’t consider the potential harm to endangered species.

As water levels on the Colorado River fall to historic lows, a rafting trip through the canyon feels even more precious.

Record-breaking heat is the new normal. At Station 18 in Phoenix, firefighters are on the front lines tackling it — one bag of ice at a time. Watch the full Op-Doc “A New Inferno.”

Businesses are reckoning with the financial toll of this year’s brutal climate shocks.

We explain the climate phenomenon.

The continent’s railways and roads “were engineered for a climate that no longer exists,” one expert said.

A June heat wave in Belgium and neighboring countries exposed a lethal lack of readiness. That’s a risk as another wave hits Europe.

The report from New York City’s Health Department found that pollution improved slightly in Manhattan and did not worsen in other boroughs.

A June heat wave in Belgium and neighboring countries exposed a lethal lack of readiness. That’s a risk as another wave hits Europe.

Prospectors are eyeing mineral deposits within the former boundaries of the Bears Ears and Grand Staircase-Escalante National Monuments in Utah.

Firefighters in Phoenix race to save lives in a city that’s only getting hotter.

Our reporter, Apoorva Mandavilli, goes inside a mosquito factory in Brazil, where scientists are producing millions of mosquitoes to fight deadly tropical diseases in a warming world.