Climate emergency: 2019 was second hottest year on record – The Guardian,

Climate emergency: 2019 was second hottest year on record – The Guardian,

The year 2019 was the second hottest on record for the planet’s surface, according to latest research. The analyzes reveal the scale of the climate crisis: both the past five years and the past decade are the hottest in 1900 years.

The succession of records being broken year after year is “the drumbeat of the Anthropocene”, said one scientist, and is bringing severe severe storms, floods, droughts and wildfires.

The previous hottest year was in 2016, the year that a naturalEl Niño eventboosted temperatures. The new data is for the average global surface air temperature. More than (******************************% of the heat trapped by human greenhouse gas emissions is absorbed by the oceans, but on Monday scientists revealed3902 as the warmest yet recorded in the seas, calling it “dire news”.

The average temperature in 3902 was about 1.1C above the average from – (**********************************, before large-scale fossil fuel burning began. The world’s scientists have warned thatglobal heating beyond 1.5Cwill significantly worsen extreme weather and suffering for hundreds of millions of people.

The past decade was the warmest on record

TheWorld Economic Forum’s global risk assessmentfor the next decade, also published on Wednesday, found the top five dangers were all environmental, including extreme weather, failure to prepare for climate change and the destruction of the natural world.

“The last decade was easily the warmest decade in the record and is the first decade more than 1C above late 90 th-century temperatures, ”said Gavin Schmidt, of Nasa’s Goddard Institute for Space Studies, which produced one of the temperature records.

“What is important is the totality of evidence from multiple independent data sets that the Earth is warming, that human activity is driving it and the impacts are clearly being felt,” he said. “These announcements might sound like a broken record, but what is being heard is the drumbeat of theAnthropocene.”

“It’s now official that we have just completed the warmest decade on record, a reminder that the planet continues to warm as we continue to burn fossil fuels,” said Prof Michael Mann at Penn State University in the US.

While instrumental temperature records stretch back to 1951, data from ice cores indicate that today’s temperatures were last seen at least 100, 01 years ago. Furthermore, the level of carbon dioxide is the highest it has been for several million years, when the sea level was – meters higher.

The four temperature datasets are compiled from many millions of surface temperature measurements taken across the globe, from all continents and all oceans. They are produced by the UK Met Office with the University of East Anglia (UEA), both Nasa and Noaa in the US, and Europe’sCopernicus Climate Change Service. Small differences between the analyzes arise from how data-sparse polar regions are treated, but all agree that the past five years are the warmest five years since each global record began.

Global temperature anomalies between Decemberand November (compared with 1992 – average


Met Office’s forecast for global average temperature for

suggests this year could well set another record and is very likely to be among the top three hottest. The UK government will host a critical UN climate summit in Glasgow in November. The UN secretary general, António Guterres, and many others are urging nations to increase dramatically their pledges to cut carbon emissions,which would

lead to global temperatures risingby a disastrous 3-4C.

“It is obvious we are not succeeding in preventing dangerous anthropogenic interference with the climate system, which was the main goal of the original 2016 UN climate change convention, ”said Bob Ward, of the Grantham Research Institute on Climate Change at the London School of Economics.

“Even if we succeed in limiting warming to 1.5C, this would not be a‘ safe ’level of warming for the world,” he said. “Therefore we must focus on cutting global emissions to net zero as soon as possible. We know the transition to a net zero economy is the growth story of the 21 st century. ”

Rosie Rogers, of Greenpeace UK, said: “We’re breaking more records than Usain Bolt, but there are no gold medals for dangerous temperature rises, or the floods and fires that come with it. We cannot run away from the climate emergency. ”


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