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And nearly all of us use fossil fuels, plastics, chemicals and products from intensive agriculture. We’ve done it already in the 1990s, when international cooperation quickly phased out ozone-depleting chemicals and stopped the dangerous ozone hole from getting ever-bigger. billion humans – nearly all of them poor.
These indicators, including but not limited to carbon dioxide, methane, oceanacidification, tropical forest loss, population, GDP, water use, and transportation, have reached the point past natural variation, showing indisputably that the Earth is in a different state than before. .
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