Warming oceans, melting glaciers and record high temperatures supercharged by accumulating greenhouse gases are upending the Earth’s climate, leaving it more out of balance than at any time in recorded history, the United Nations weather agency says.
In its 2025 State of the Global Climate report, the World Meteorological Organization confirmed on Monday the 11 years between 2015 and 2025 were the hottest on record, and 2025 was the second or third hottest year ever recorded, at about 1.43° Celsius above the 1850-1900 average.