Switching on the Atlantic heat pump

34 million years ago, the warm greenhouse climate of the dinosaur age ended, and the colder icehouse climate of today commenced. Antarctica glaciated first, and geological data imply that the Atlantic meridional overturning ...

Effects of sea spray geoengineering on global climate

Anthropogenic climate warming is leading to consideration of options for geoengineering to offset rising carbon dioxide levels. One potential technique involves injecting artificial sea spray into the atmosphere. The sea ...

Statistical physics offers a new way to look at climate

Scientists are using ever more complex models running on ever more powerful computers to simulate the earth's climate. But new research suggests that basic physics could offer a simpler and more meaningful way to model key ...

The cooling effect of agricultural irrigation

Previously, scientists have suggested that agricultural irrigation affects mean climate in several regions of the world. New evidence now shows that this cooling influence is even more pronounced when it comes to climate ...

Droughts in Mongolia—past, present and future

The extreme wet and dry periods Mongolia has experienced in the late 20th and early 21st centuries are rare but not unprecedented and future droughts may be no worse, according to an international research team that includes ...

Natural variations help resolve a climate puzzle

New research shows that naturally occurring climate variations help to explain a long-standing difference between climate models and satellite observations of global warming.

Causes of California drought linked to climate change

The atmospheric conditions associated with the unprecedented drought currently afflicting California are "very likely" linked to human-caused climate change, Stanford scientists say.

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