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Global warming means that the earth is becoming warmer all over. When we burn fossil fuels like coal, oil and natural gas they release a greenhouse gas, carbon dioxide, that has been hidden underground for millions of years. This extra greenhouse gas builds up in the atmosphere where it captures the sun's heat. More and more of the gas means the atmosphere is getting hotter and hotter. This is global warming.
Soon the earth will change, is getting hotter. Please recycle and keep the environment green.