Andrew Freedman The Washington Post

The Arctic is undergoing a profound, rapid and unmitigated shift into a new climate state, one that is greener, features far less ice, and is a net source of greenhouse gas emissions from melting permafrost, according to a major new federal assessment of the region released Tuesday.

A cerulean blue lake consisting of glacial melt water on the surface of the Greenland ice sheet, located about 18 miles from where the Store Glacier meets the sea in west Greenland, briefly became one of the world's tallest waterfalls during the course of five hours on July of 2018.

A long-awaited international deal governing how the world's technology companies should roll out 5G technology poses serious risks to weather forecast accuracy, according to data from federal agencies and the World Meteorological Organisation.

This year is increasingly likely to be the planet's second- or third-warmest calendar year on record since modern temperature data collection began in 1880, according to data released this week by the National Oceanic and Atmospheric Administration.

On Tuesday, millions of Australians in and around Sydney all the way north to the Gold Coast face the highest wildfire risk predicted for the region, as an outbreak of deadly bush fires continues to scorch more than a million acres of the unusually hot and drought-stricken country.

In a move that backs a term used to date mainly by climate activists and left-leaning politicians, a new study by 11,258 scientists in 153 countries from a broad range of disciplines warns that the planet "clearly and unequivocally faces a climate emergency," and provides six broad policy goals that must be met to address it.

The Antarctic ozone hole hit its smallest annual peak on record since tracking began in 1982, the National Oceanic and Atmospheric Administration and NASA announced Monday. Although we're making progress in cutting down on the use of ozone-depleting chemicals, the milestone doesn't mean we've solved the problem, the agencies cautioned.

The wind-driven blaze sweeping through Los Angeles County's San Fernando Valley continued to spread Friday afternoon, destroying at least 25 homes and prompting mandatory evacuation orders for more than 100,000 people as California hits peak wildfire season.

The Northern Hemisphere just had its hottest summer on record since 1880, according to National Oceanic and Atmospheric Administration data released Monday. NOAA found the average global surface temperature taken by thousands of thermometers, buoys and other sensors on land and sea tied with that of 2016 for the top spot, with a temperature anomaly...

On Wednesday, it appears that the White House attempted to retroactively justify a tweet that President Donald Trump issued over the weekend in which he warned, erroneously, that Alabama would be in the path of Hurricane Dorian.

Hurricane Dorian is beginning a much-advertised turn to the north-northwest, away from the Bahamas but toward the U.S. mainland, where it is expected to bring significant impacts.

Hurricane Dorian is a storm for the record books, having set new milestones for the strongest hurricane at landfall, based on its 185-mile-per-hour winds (tied for that spot with the 1935 Labor Day Hurricane), and second-strongest hurricane ever observed in the Atlantic based on wind speed alone.

As Brazil and the world mobilize soldiers and finances in response to a wave of wildfires in the Amazon, far more is at stake than Brazil's international reputation.

Huge tracts of the Amazon, which serves as the lungs of the planet by taking in carbon dioxide, storing it in soils and producing oxygen, are ablaze. Smoke from the widespread fires has turned day into night in Sao Paulo, and intensified a controversy over the Brazilian government's land use policies.

During the hottest month that humans have ever recorded, a local television station in the Netherlands aired non-stop images of wintry landscapes to help viewers momentarily forget the heatwave outside.

The Arctic is undergoing a profound, rapid and unmitigated shift into a new climate state, one that is greener, features far less ice, and is a net source of greenhouse gas emissions from melting permafrost, according to a major new federal assessment of the region released Tuesday.

A cerulean blue lake consisting of glacial melt water on the surface of the Greenland ice sheet, located about 18 miles from where the Store Glacier meets the sea in west Greenland, briefly became one of the world's tallest waterfalls during the course of five hours on July of 2018.

A long-awaited international deal governing how the world's technology companies should roll out 5G technology poses serious risks to weather forecast accuracy, according to data from federal agencies and the World Meteorological Organisation.

This year is increasingly likely to be the planet's second- or third-warmest calendar year on record since modern temperature data collection began in 1880, according to data released this week by the National Oceanic and Atmospheric Administration.

On Tuesday, millions of Australians in and around Sydney all the way north to the Gold Coast face the highest wildfire risk predicted for the region, as an outbreak of deadly bush fires continues to scorch more than a million acres of the unusually hot and drought-stricken country.

In a move that backs a term used to date mainly by climate activists and left-leaning politicians, a new study by 11,258 scientists in 153 countries from a broad range of disciplines warns that the planet "clearly and unequivocally faces a climate emergency," and provides six broad policy goals that must be met to address it.

The Antarctic ozone hole hit its smallest annual peak on record since tracking began in 1982, the National Oceanic and Atmospheric Administration and NASA announced Monday. Although we're making progress in cutting down on the use of ozone-depleting chemicals, the milestone doesn't mean we've solved the problem, the agencies cautioned.

The wind-driven blaze sweeping through Los Angeles County's San Fernando Valley continued to spread Friday afternoon, destroying at least 25 homes and prompting mandatory evacuation orders for more than 100,000 people as California hits peak wildfire season.

The Northern Hemisphere just had its hottest summer on record since 1880, according to National Oceanic and Atmospheric Administration data released Monday. NOAA found the average global surface temperature taken by thousands of thermometers, buoys and other sensors on land and sea tied with that of 2016 for the top spot, with a temperature anomaly...

On Wednesday, it appears that the White House attempted to retroactively justify a tweet that President Donald Trump issued over the weekend in which he warned, erroneously, that Alabama would be in the path of Hurricane Dorian.

Hurricane Dorian is beginning a much-advertised turn to the north-northwest, away from the Bahamas but toward the U.S. mainland, where it is expected to bring significant impacts.

Hurricane Dorian is a storm for the record books, having set new milestones for the strongest hurricane at landfall, based on its 185-mile-per-hour winds (tied for that spot with the 1935 Labor Day Hurricane), and second-strongest hurricane ever observed in the Atlantic based on wind speed alone.

As Brazil and the world mobilize soldiers and finances in response to a wave of wildfires in the Amazon, far more is at stake than Brazil's international reputation.

Huge tracts of the Amazon, which serves as the lungs of the planet by taking in carbon dioxide, storing it in soils and producing oxygen, are ablaze. Smoke from the widespread fires has turned day into night in Sao Paulo, and intensified a controversy over the Brazilian government's land use policies.

During the hottest month that humans have ever recorded, a local television station in the Netherlands aired non-stop images of wintry landscapes to help viewers momentarily forget the heatwave outside.