From Live Science:
Air pollution in China has cut the amount of light rainfall by 23 percent over the past 50 years, a new study finds.
The cause: Particles in air pollution cause smaller drops of water to form, and smaller drops have a harder time making rain clouds.
The result: Bad air could hamper the country's ability to grow food.
It is the first such study to link pollution to altered climate that can directly affect agriculture.
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