Our Earth is getting warmer., This is because people use too much energy., When we burn coal and oil, it makes a gas called carbon dioxide., This gas traps heat, so the Earth becomes hotter., A hotter Earth causes many problems., Ice melts in the polar regions, and sea levels rise., Some animals lose their homes., We can help if we use less electricity., For example, we can turn off the lights when we leave a room., We can also walk or ride a bike instead of driving., If we all try, we can slow down global warming and protect our Earth.,

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