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broadcast，starve，undergo，tolerate，submit，release |
With moderate greenhouse gases, such as methane and carbon dioxide into the atmosphere, Earth can sustain life. But comprehensive evidence shows that more heat energy than necessary exists because of burning an increasing volume of fossil fuels. Hence, the warming trend has affected Earth's ecology and harmonious development. News reports are frequently about polar bears, seals and penguins that are to death because of the melting ice. Tropical jungles are destroyed, making them less habitable for animals. What human beings can't is that garbage is thrown everywhere, such as waterways and basins. Faced with the severe situations, worldwide governments have reformed policies to reduce greenhouse gas emissions and restore the sensitive ecology. Dozens of enterprises have and implemented their conservation regulations, saying, "We will immediately carry out the disposal of the waste we produce. " Individuals can also seize every chance to reduce the carbon footprint by the amount of CO2 in the daily life. Although Earth has some ecological chaos, people from all over the world confidently say that those measures can create a sustainable world.
