‘We are damned fools’: scientist who sounded climate alarm in 80s warns of worse to come
James Hansen, who testified to Congress on global heating in 1988, says world is approaching a ‘new climate frontier’
The world is shifting towards a superheated climate not seen in the past 1m years, prior to human existence, because “we are damned fools” for not acting upon warnings over the climate crisis, according to James Hansen, the US scientist who alerted the world to the greenhouse effect in the 1980s.
Hansen, whose testimony to the US Senate in 1988 is cited as the first high-profile revelation of global heating, warned in a statement with two other scientists that the world was moving towards a “new climate frontier” with temperatures higher than at any point over the past million years, bringing impacts such as stronger storms, heatwaves and droughts.
The world has already warmed by about 1.2C since mass industrialization, causing a 20% chance of having the sort of extreme summer temperatures currently seen in many parts of the northern hemisphere, up from a 1% chance 50 years ago, Hansen said.
“There’s a lot more in the pipeline, unless we reduce the greenhouse gas amounts,” Hansen, who is 82, told the Guardian. “These superstorms are a taste of the storms of my grandchildren. We are headed wittingly into the new reality – we knew it was coming.”
Hansen was a Nasa climate scientist when he warned lawmakers of growing global heating and has since taken part in protests alongside activists to decry the lack of action to reduce planet-heating emissions in the decades since.
He said the record heatwaves that have roiled the US, Europe, China and elsewhere in recent weeks have heightened “a sense of disappointment that we scientists did not communicate more clearly and that we did not elect leaders capable of a more intelligent response”.
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