Climate Carbon Budget Could Soon Max Out

Climate Central: “If the world hopes to avoid the most catastrophic effects of climate change, humanity must emit less than half the carbon dioxide than previously thought in the coming years, a new study shows.”

“In order to keep global warming to no more than 2°C (3.6°F) — the basis for the Paris climate agreement struck last year — scientists have devised a ‘carbon budget‘ for how much carbon can be emitted before warming crosses into catastrophic territory.”

“Their estimates range from about 590 gigatons (1 gigaton is 1 billion metric tons) to 2,390 gigatons … But the 2°C mark could be hit sooner as the globe warms and a more realistic budget ranges from 590 gigatons to 1,240 gigatons of carbon dioxide emission after 2015, according to research published Wednesday in the journal Nature Climate Change.”

“’At current rates, the carbon budget would thus be exhausted in about 15 to 30 years,’ said lead author Joeri Rogelj, a research scholar at the Energy Program of the International Institute for Applied Systems Analysis in Austria.”

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