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A second Trump term would be 'game over' for the climate, says one of the world's top climate scientists

This article is published as part of Covering Climate Now, a collaboration of 400-plus news outlets to strengthen coverage of the climate story. The Guardian is the lead partner of CCN.

Michael Mann, one of the most eminent climate scientists in the world, believes averting climate catastrophe on a global scale would be “essentially impossible” if Donald Trump is re-elected.

A professor at Penn State University, Mann, 54, has published hundreds of peer-reviewed scientific papers, testified numerous times before Congress and appeared frequently in the news media. He is also active on Twitter, where earlier this year he declared: “A second Trump term is game over for the climate – really!”, a statement he reaffirmed in an interview with the Guardian and Covering Climate Now.

“If we are going to avert ever more catastrophic climate change impacts, we need to limit warming below a degree and a half Celsius, a little less than three degrees Fahrenheit,” Mann said. “Another four years of what we’ve seen under Trump, which is to outsource environmental and energy policy to the polluters and dismantle protections put in place by the previous administration … would make that essentially impossible.”

None of Mann’s 200-plus scientific papers is more famous than the so-called “hockey stick study”, which Nature published on Earth Day of 1998. With two co-authors, Mann demonstrated that global temperature had been trending downward for the previous one thousand years. Graphed, this line was the long handle of the hockey stick, which surged abruptly upwards in about 1950 – represented by the blade of the stick – to make the 1990s the warmest decade in “at least the last millennium”.

In 1999, Mann became an assistant professor at the University of Virginia, where he was targeted by the climate denier crowd, an experience detailed in his 2012 book The Hockey Stick and the Climate Wars. He received death threats, he says, and had emails stolen. Virginia’s former attorney general Ken Cuccinelli, a hard-right Republican, subpoenaed documents related to Mann’s research funding in an effort to prove fraud. A Washington Post editorial blasted Cuccinelli for “mis[using] state funds in his own personal war against climate science”. In 2014, affirming a lower court’s decision, the supreme court of Virginia ruled against Cuccinelli, who now serves as a top official in Trump’s Department of Homeland Security.

Mann denies that it’s a partisan statement to say that four more years of Trump would mean “game over” for the climate.


Source: US Politics - theguardian.com


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