February 20th, 2012
Nearly half of the United States is experiencing abnormally dry or drought conditions. Water scarcity impacts agricultural crops, yards and gardens, water and energy supplies, wildlife and fire weather conditions. Everyone can play a part to avoid intensifying effects of drought by observing water restrictions and taking steps to save water at home. Viewer Tip: [...]
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February 6th, 2012
Measuring how much energy is in Earth’s climate system involves measuring things like surface temperatures, ocean temperatures, the planet’s ice volume, sea level and the persistence and frequency of certain weather events like heavy rains. Sustained changes in the amount of energy in Earth’s climate system and corresponding changes in things like temperature, ice volume [...]
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