5 years ago
How humans derailed the Earth's climate in just 160 years
Climate change might be the most urgent issue of our day, both politically and in terms of life on Earth. There is mounting awareness that the global climate is a matter for public action. For 11,500 years, atmospheric carbon dioxide (CO2) concentrations hovered around 280 ppm (the preindustrial "normal"), with an average surface temperature around 15°C. Since the Industrial Revolution, this level has been rising continuously, reaching 410 ppm in 2018.
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