Climate

Global pollution from electricity generation was set to fall last year, thanks to the growth of renewable energy. Then came...

Human-caused warming has doubled the chances that southern Brazil will experience extreme, multiday downpours like the ones that recently caused...

Mexico is the world’s 11th-largest oil producer. It has been gripped by a deadly heat wave. Now, it’s elected as...

After a weekend of heavy rains, severe floods in regions of southern Germany led several towns to declare states of...

The National Pest Management Association, a trade group, defends backyard spraying, citing the importance of controlling diseases transmitted by mosquitoes...

In February, the United States did something that it had not done in many years — the country sent more...

On Thursday, Vermont became the first state in the country to pass a law that will charge fossil fuel companies...

When a withering financial crisis forced Greece to rethink its economy a decade ago, it bet big on green power​....

For decades, environmentalists fought power plants that burn coal, the dirtiest fossil fuel, by highlighting their pollution: soot, mercury and...

When Interstate 25 was constructed through Denver, highway engineers moved a river.It was the 1950s, and nothing was going to...