Related topics: climate change

Tectonics in the tropics trigger Earth's ice ages, study finds

Over the last 540 million years, the Earth has weathered three major ice ages—periods during which global temperatures plummeted, producing extensive ice sheets and glaciers that have stretched beyond the polar caps.

Global warming: More insects, eating more crops

Crop losses for critical food grains will increase substantially as the climate warms, as rising temperatures increase the metabolic rate and population growth of insect pests, according to new research.

Three positive climate developments

While humanity's efforts to curb planet-warming emissions are nowhere near enough to avoid heating the world to catastrophic levels, tentative improvements show that progress is possible.

Forests may flip from CO2 'sink' to 'source' by 2050

Forests and other land ecosystems today absorb 30 percent of humanity's CO2 pollution, but rapid global warming could transform these natural 'sinks' into carbon 'sources' within a few decades, opening another daunting front ...

2018-2022 expected to be abnormally hot years

This summer's worldwide heatwave makes 2018 a particularly hot year. And the next few years will be similar, according to a study led by Florian Sévellec, a CNRS researcher at the Laboratory for Ocean Physics and Remote ...

Dense Antarctic water returning to the Atlantic

The supply of dense Antarctic water from the bottom of the ocean to the Atlantic has declined in recent years. However, a new study explains for the first time how since 2014 this has stabilized and slightly recovered due ...

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