"This report provides a scientific evaluation of the implications of various climate stabilization targets. The report concludes that certain levels of warming associated with carbon dioxide emissions could lock the Earth and many future generations of humans into very large impacts; similarly, some targets could avoid such changes. It makes clear the importance of 21st century choices regarding long-term climate stabilization."
"Because of the long atmospheric lifetime of carbon dioxide and the time lags in the climate system (particularly slow processes in the ocean, see 3.2), human choices in the near term have long-term ramifications on Earth’s climate not only for the rest of the century but also for the next several millennia. Indeed, some effects of 21st century human choices would contribute to climate change for more than 100,000 years. {2.1, 3.2}3"
"Because of the long atmospheric lifetime of carbon dioxide and the time lags in the climate system (particularly slow processes in the ocean, see 3.2), human choices in the near term have long-term ramifications on Earth’s climate not only for the rest of the century but also for the next several millennia. Indeed, some effects of 21st century human choices would contribute to climate change for more than 100,000 years. {2.1, 3.2}3"
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