Why Isn't Earth Warming As Expected? Stratospheric Water Vapor Provides Clues

In recent years, climate change hasn't proceeded as most scientists expected. Global surface temperatures have not risen as fast in the last decade as they did in the 1980s and 1990s, and researchers from the National Oceanic and Atmospheric Administration (NOAA) say they may know why--fluctuations in stratospheric water vapor. The team's new study in Science suggests that Just a 10 percent drop in water vapor ten miles above Earth’s surface has had a big impact on global warming. read more

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