Global warming is accelerating, with 2024 being the hottest year on record. CO2 levels are rising faster than expected.

As we burn fossil fuels, the amount of carbon dioxide in Earth's atmosphere is gradually rising, and with it, the planet's ...

Levels of the most significant planet-warming gas in our atmosphere rose more quickly than ever previously recorded last year ...

Carbon dioxide in the atmosphere is increasing at rates that are incompatible with staying below 1.5 degrees Celsius (34.7 ...

Last year, 2024, was the warmest year on record for the planet, easily breaking the previous record set just a year earlier.

Jan. 27, 2025 — An interdisciplinary team of researchers has projected that if the rate of global CO2 emissions continues to increase and reaches a high emission scenario, sea levels would as a ...

By simulating the future atmosphere, scientists hope to understand whether trees will continue to act as the lungs of the ...

A 2023 global heat spike was partly due to reduced sulfate emissions from shipping, which decreased cloud cover and raised ...

The change measured by the Mauna Loa Observatory was likely driven by wildfires and continued burning of fossil fuels, ...

Wildfires and fossil fuel burning in 2024 contributed to the biggest annual rise in atmospheric CO2 levels ever recorded at the Mauna Loa Observatory in Hawaii ...

U.S. withdrawal from the world's primary climate pact will have a bigger impact - in the U.S. and globally - than the country ...