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During the 1980s and 1990s, the average global temperature increased by nearly one degree Fahrenheit. During this period, did the productivity of Earth's natural vegetation increase, decrease, or stay about the same?

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During the 1980s and 1990s, worldwide vegetation productivity increased by 6%. According to papers in the journals Bioscience and Geophysical Research Letters, this greening of the Earth was caused by warmer temperatures, longer growing seasons, more rainfall in certain areas, and more carbon dioxide in the atmosphere.

DocumentationGlobal Temperatures & Vegetation Carbon Dioxide & Vegetation