'Urgent steps must now be taken to ensure further catastrophe is avoided.'
A new report released at the 2022 United Nations Conference of the Parties on Monday revealed that some level of total Arctic sea ice loss in summer months is now unavoidable, regardless of whether policymakers are able to drastically reduce planet-heating fossil fuel emissions.
Even an ambitious emissions-cutting agenda—one that slashes emissions by at least 50% by 2030, which experts say would put the planet on the path to a peak global temperature rise of 1.6°C to 1.8°C—"will not prevent at least one ice-free summer before 2050," reads the annual"This is a stark wake-up call on the irreversible damage our climate and natural environment is suffering due to a lack of action on emissions,"Dr.
If emissions are permitted to keep growing by two to three parts per million per year, according to the International Cryosphere Climate Initiative , which released the report at COP27, the Arctic could lose all of its sea ice for much of the year by 2030."There's nothing we can do about that now," Julie Brigham-Gette, a co-author of the report and scientist at the University of Massachusetts Amherst,of at least some amount of ice-free summers in the Arctic.
As the report notes,"Summer Arctic sea ice extent has often been considered a bellwether of climate change, with great attention paid to the September minimum each year." The loss of sea ice in the Arctic for parts of the year would cause the open ocean to absorb more heat, worsening global heating. As
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