Growing Number of Earths Vital Signs Endangered by Climate Change

{Earths Vital Signs Endangered – Earth and Leaf editorial}

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A growing number of the planet’s “vital signs” have reached record levels due to climate change and other environmental threats, according to a stark report by a group of prominent researchers.

“We are on the brink of an irreversible climate disaster,” writes William Ripple at Oregon State University and his colleagues. “This is a global emergency beyond any doubt. Much of the very fabric of life on Earth is imperilled.”

The report is the fifth annual State of the Climate report led by Ripple in an effort to present a clear warning of what the researchers say is a crisis given the extremes measured across key climate indicators, from greenhouse gas levels to tree cover loss.

“The climate crisis isn’t a distant threat, it’s a here-and-now crisis,” says Michael Mann at the University of Pennsylvania, one of several well-known co-authors of the report, which also includes historian Naomi Oreskes, Earth scientist Tim Lenton and oceanographer Stefan Rahmstorf.

The researchers assessed 35 “planetary vital signs”, including the amount of heat in the oceans and the thickness of glaciers. The vital signs also include measures of the human factors driving many of those changes, such as meat production per capita and subsidies for fossil fuels.

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“Be aware that this is now a fundamental threat to humanity and we’ve really got to do something now.”