A new UN state of the climate report shows the dire need for action.
2021 was a record-breaking year for signs of the climate crisis, according to the United Nations’ World Meteorological Organization.report on Wednesday, which evaluates humanity’s global impact on climate across six domains: atmosphere, land, ocean, Earth’s frozen water called the cryosphere, extreme events, and risks and solutions. Four indicators of global warming—greenhouse gases, sea level rise, ocean heat, and ocean acidification—set new records last year.
Concentrations of carbon dioxide reached a new global high in 2020, at 413.2 parts per million, or 149 percent of the pre-industrial level. And data shows these levels continued to increase in 2021 and early 2022. Global mean sea level has been rising on average 4.5 millimeters per year, and in 2021 sea levels rose to the highest they’ve been in modern history.
The agency also writes in the report that the past seven years were the warmest on record. This is in spite of La Niña in 2021, which typically has a cooling effect in the Pacific.“Today’s State of the Climate report is a dismal litany of humanity’s failure to tackle climate disruption. Fossil fuels are a dead end—environmentally and economically,” António Guterres, the secretary general of the UN, told. “The only sustainable future is a renewable one.
The world is currently not on track to reach the Paris Agreement’s targets of 1.5 to 2°C of warming. The worsening state of the global climate also means that we urgently need to invest in better systems to detect and predict extreme weather events. “It’s been shown by several reports that one of the most powerful ways to adapt to climate change is to invest in early warning services,” WMO’s Secretary General Petteri Taalas said in aThe WMO report was written to complement the Intergovernmental Panel on Climate Change’s
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