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Toronto had the worst air quality of any major city in the world on Wednesday, the Swiss firm IQAir said, as Canadian authorities urged people to stay indoors.
The United States' leading scientific body is set Thursday to launch a major report on the link between climate change and extreme weather, a growing research field now underpinning lawsuits seeking billions in damages from the fossil fuel industry.
Conservation groups sued US President Donald Trump's administration Tuesday, accusing it of gutting a core protection in the Endangered Species Act by excluding habitat destruction from the legal definition of "harm" to vulnerable plants and animals.
Three Britons and one national each from France, Belgium and Spain are among the 13 victims of one of the deadliest Spanish wildfires in recent times, authorities said on Monday.
Prime Minister Pedro Sanchez on Monday urged Spain to strengthen its prevention measures after one of the country's deadliest wildfires in recent history killed 13 people and razed a huge area.
Firefighting aircraft battled to contain a wildfire raging in a forest south of Paris for a second day on Monday, with the blaze forcing some residents from their homes as the region baked in a latest heatwave.
Every summer, Alberto Gomez lives with a fear most people never consider.
President Donald Trump's administration on Friday finalized a rule narrowing the definition of "harm" under the Endangered Species Act, in a move conservationists warned could open the door to widespread habitat destruction.
A fast-moving wildfire in southern Spain has killed 12 people of different nationalities after trapping them in vehicles and as they tried to get away, authorities said on Friday.
Deforestation in the Brazilian Amazon fell to its lowest level in a decade in the first half of the year, according to official figures released Friday.
China and the southern United States were hit last year by some of their worst sand and dust storms in decades, the United Nations said Friday.
From timber and textiles to minerals, Indian entrepreneur Gagan Gupta has spent the past 15 years working to industrialise Africa.
Scientists have detected the highly contagious H5 bird flu in an Australian seabird for the first time, the government said Friday.
President Donald Trump's administration on Thursday moved to loosen truck pollution regulations put in place by his predecessor Joe Biden, in its latest environmental rollback that benefits makers of fossil fuel burning vehicles.
The UK on Thursday experienced its eighth day in 2026 with the mercury climbing above 34C, the Met Office said, breaking the previous record by one day.
The El Nino weather pattern picked up strength over the past month and is highly likely to "rank among the largest" ever recorded when it peaks between October and December, US forecasters said Thursday.
As visitors peered at skeletons and preserved animals in a London zoological museum during a UK heatwave, staff focused on a different attraction: a computer screen glowing with red and green temperature indicators.
Pan Sok still remembers his relative screaming as a tiger dragged him away one night, deep inside the Cambodian rainforest where they were tapping trees for resin.
The current El Nino weather phenomenon is expected to break records for its overall strength, a top expert said Tuesday, as regions face the risk of droughts, floods and other extremes linked to the event.
Tens of thousands of people were without power Tuesday on Guam and the Northern Marianas after a super typhoon tore through the US Pacific territories, with no casualties reported.
Washington was briefly the most polluted major city in the world, according to IQAir data, after a massive Independence Day fireworks show touted by the Trump administration as "awesome."
The US capital Washington saw its worst air quality of the year over the July 4th weekend, as smoke from a massive fireworks display sent pollution soaring to levels considered very unhealthy for the entire public, data showed Monday.
Wildfires raged across southern Europe on Monday, forcing thousands of people to evacuate their homes and prompting officials to ban spectators from a stage of the storied Tour de France cycling race.
Sisu tackles her missions in the rubble left by Venezuela's two earthquakes with the same determination and energy she uses to chase her favorite toy, an orange and blue ball.
Parisians and tourists dove into the joy of swimming in the Seine on Saturday as three free, supervised sites created for the 2024 Olympic Games reopened in a welcome respite after a record-breaking heatwave.
Europe is still taking stock of a powerful heatwave in late June but experts are already confident it ranks among the worst ever recorded -- even rivalling a freak 2003 episode.
In the southern Athens seaside suburb of Glyfada, a pensioner struggles to cross an avenue with her shopping trolley, zigzagging between cars stuck in traffic.
New dawn-to-dusk drone patrols of Sydney's beaches spotted sharks 73 times in the first two days, forcing multiple closures, data obtained by AFP showed on Friday.
Pools were packed and power grids strained as millions of Americans sweltered in stifling heat and humidity Thursday, with dangerous temperatures expected to hit major cities through the Fourth of July holiday weekend.
An "unforgettable" tribute to America, or a health hazard that will terrorize animals and pollute the environment?
The world's oceans just experienced their hottest June on record and could set fresh highs in the months ahead as El Nino and climate change drive temperatures even higher, scientists said Wednesday.
Tens of millions of Americans sweltered under furnace-like temperatures Tuesday as central and eastern cities hunkered down for a heat wave set to last through the July 4 holiday weekend.