The strength of the trade winds that cross the Pacific can affect how quickly the planet warns, new research suggests. By analysing the chemical makeup of corals in the tropical Pacific, researchers have found that changing wind patterns affected how quickly the Earth warmed during the last century. The study adds "another piece of evidence" that strong Pacific winds are contributing to the recent slowdown in global surface temperature rise, says an accompanying News and Views. Trade winds over the ocean The trade winds are the typical east-to-west winds that blow across the tropics, which you can see in the diagram below. They are driven by warm air rising along the equator and the rotation of the Earth.

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