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Climate change has become a political football in the last 20 years. The “un”-stable American genius once mocked climate change as a Chinese hoax.
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Since the beginning of the Industrial Revolution, we have pumped nearly 2,000 billion tonnes of carbon dioxide into the atmosphere. Moreover, in April of this year, the average concentration of carbon dioxide reached a dubious milestone—410 parts per million—according to data recorded at the Mauna Loa Observatory in Hawaii. Carbon dioxide hasn't been this high in millions of years.
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The Intergovernmental Panel on Climate Change concedes that limiting the rise in global temperature under two degrees Celsius before the end of this century is impossible without reducing emission of carbon dioxide to zero by 2050.
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Today, we are witnessing a lively, sometimes acrimonious, debate over global warming. Science, economics and politics are all mixed up in this debate.
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Anthropogenic greenhouse gas emissions might be affecting more than just the climate. For the first time, scientists at NASA presented evidence that the orientation of the Earth's spin axis is changing because of global warming.
