Climate Change
El NinoEl Niño is characterized by warmer temperatures and | The “ozone hole” refers to the destruction of a layer of ozone molecules found high in Earth’s atmosphere that helps to shield Earth from the sun’s harmful ultraviolet rays. The ozone layer has become thinner because of chlorofluorocarbons. Earth’s average temperature has risen by 1.4°F over the past century, and is projected to rise another 2 to 11.5°F over the next hundred years. Recent global warming is primarily a result of greenhouse gas emission.
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| Charts and Maps Air Quality Index Atmospheric Radiation Measurement (ARM) | Global Warming Sites EPA Ozone Hole Watch USGS Global Change Global Warming Org Greenpeace |
NASA Earth Observatory
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Net Radiation
Carbon Monoxide
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