Compléter Climate Change IntroVersion en ligne Climate Change Intro par Wally Mason 1 20 gases fossil storms reefs blizzards long carbon melting methane greenhouse dioxide heat gases floods 1880 dioxide greenhouse climate warmth hurricanes rise freeze methane carbon greenhouse fuels desert coral 1 . Since the global temperature has risen by about one - and - a - half degrees F . 2 . Global warming is a change in the worlds , or the pattern of weather over periods . 3 . Global warming is caused by . These gases are really effective at absorbing and redirecting . 4 . Some examples of greenhouse gases are , and even water vapor . 5 . The trapping of heat due to is called the greenhouse effect . 6 . Without greenhouse gases our planet would . 7 . Burning releases huge amounts of carbon dioxide . 8 . Carbon Dioxide is a powerful gas . 9 . And cow digestion produces large amounts of . 10 . Methane traps times more heat than Carbon Dioxide . 11 . Deforestation adds to the problem because dead trees can no longer absorb from the atmosphere . 12 . Our oceans are absorbing most of the additional , this destroys . 13 . The polar ice caps are , and this causes sea - level to . 14 . Warmer air means : - Stronger and . - Heavier rainfall and . - severe - rainfall will dry up , and forests will turn to
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