The year 2025 was the warmest on record for the heat content of the world’s oceans. Ocean heat content (OHC) increased by around 500 zettajoules – billion trillion joules – since the 1940s.

Countries are gathering in Brazil at the COP30 summit to take stock of climate change. As in past summits, the negotiations are starting on the back foot: countries already aren't meeting their goals ...

Human-caused global warming has been increasing faster and faster since the 1970s. Global average temperature compared with the middle of the 20th century 2010 to present +1.0°C 1970 to The world is ...

The leaders told us how they are facing a warming planet in a world where international collaboration on climate change is fraying. By David Gelles I host the Climate Forward newsletter and live event ...

In 2023 and 2024, the hottest years on record, more than 78 million acres of forests burned around the world. The fires sent veils of smoke and several billion tons of carbon dioxide into the ...

As the Earth warms due to climate change, oceans are heating up, becoming more acidic, and losing oxygen. These changes threaten marine life, food ...

For years, discussions about climate change have been dominated by rising temperatures, worsening disasters and steady warnings from scientists. But 2025 delivered notable sparks of progress that have ...

When it comes to the hard-core science end of climate change—and those scientists who have been on the receiving end of the ire of climate change deniers—the first name that comes to mind is climate ...

A recent study shows that 80% of UNESCO World Cultural Heritage sites are facing climate stress, with wood and stone constructions susceptible to a range of threats from extreme heat, humidity, ...