Over the past few days, a bevy of climate data has come together to tell a familiar yet shocking story: Humans have profoundly altered the planet’s life-support system, with 2015 increasingly likely to be an exclamation point on recent trends.
On Monday, scientists at Britain’s national weather service, the Met Office, said our planet will finish this year more than one degree Celsius warmer than preindustrial levels for the first time. That figure is halfway to the line in the sand that scientists say represents “dangerous” climate change and global leaders have committed to avoid—an ominous milestone.
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This year’s global heat wave—about two-tenths of a degree warmer than 2014, a massive leap when averaged over the entire planet—can be blamed most immediately on an exceptionally strong El Niño but wouldn’t exist without decades of heat-trapping emissions from fossil fuel burning. Separate data released on Monday by the U.S. National Oceanic and Atmospheric Administration showed the current El Niño, a periodic warming of the tropical Pacific Ocean, has now tied 1997 for the strongest event ever measured, at least on a weekly basis.
"We've had similar natural events in the past, yet this is the first time we are set to reach the 1 degree marker and it's clear that it is human influence driving our modern climate into uncharted territory," said Stephen Belcher, director of the Met Office’s Hadley Centre in a statement.
The Met Office data were quickly confirmed on Twitter by Gavin Schmidt, who leads the research center in charge of NASA’s global temperature dataset, which uses a slightly different methodology:
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Over the past few days, a bevy of climate data has come together to tell a familiar yet shocking story: Humans have profoundly altered the planet’s life-support system, with 2015 increasingly likely to be an exclamation point on recent trends.On Monday, scientists at Britain’s national weather service, the Met Office, said our planet will finish this year more than one degree Celsius warmer than preindustrial levels for the first time. That figure is halfway to the line in the sand that scientists say represents “dangerous” climate change and global leaders have committed to avoid—an ominous milestone.Advertisement This year’s global heat wave—about two-tenths of a degree warmer than 2014, a massive leap when averaged over the entire planet—can be blamed most immediately on an exceptionally strong El Niño but wouldn’t exist without decades of heat-trapping emissions from fossil fuel burning. Separate data released on Monday by the U.S. National Oceanic and Atmospheric Administration showed the current El Niño, a periodic warming of the tropical Pacific Ocean, has now tied 1997 for the strongest event ever measured, at least on a weekly basis."We've had similar natural events in the past, yet this is the first time we are set to reach the 1 degree marker and it's clear that it is human influence driving our modern climate into uncharted territory," said Stephen Belcher, director of the Met Office’s Hadley Centre in a statement.気象庁データすばやく Gavin schmidt 氏は、NASA の地球の気温データセットは、わずかに異なる方法を使用して、担当センターを率いる Twitter で確認されました。
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