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In 2021, a group of prominent permafrost researchers like Merritt Turetsky had presented their collective estimate of permafrost emissions, including the abrupt thaw processes, as part of an effort to advocate for a 50% reduction in anthropogenic emissions by 2030 as a necessary milestone to help reach net zero by 2050. Their figures for ...
The Summary. This was the Arctic’s second-hottest year on record, according to a new NOAA report. The tundra has become a source of emissions, rather than a carbon sink, the authors said.
A fire scar is seen outside Fairbanks, Alaska, in August 2022. Wildfire emissions and thawing permafrost have contributed to changes in the Arctic’s tundra, scientists say (NASA/Katie Jepson) ...
The 2020 heat wave may have released significant methane from carbonate deposits in Siberian permafrost. [16] Methane emissions by the permafrost carbon feedback—amplification of surface warming due to enhanced radiative forcing by carbon release from permafrost—could contribute an estimated 205 Gt of carbon emissions, leading up to 0.5 °C ...
[245] [246] [247] Death rates from air pollution and accidents related to energy production, measured in deaths per terawatt hours (TWh) (left). Carbon emissions measured in tons per gigawatt hour (GWh) (right). Lightning can, and often does, strike the same place twice. Lightning in a thunderstorm is more likely to strike objects and spots ...
If there are very deep cuts in emissions, sea level rise would slow between 2050 and 2100. It could then reach by 2100 slightly over 30 cm (1 ft) from now and approximately 60 cm (2 ft) from the 19th century. With high emissions it would instead accelerate further, and could rise by 1.0 m (3 + 1 ⁄ 3 ft) or even 1.6 m (5 + 1 ⁄ 3 ft) by 2100.
13 February: a study published in Current Issues in Tourism projected that for the 2050s, U.S. ski seasons will shorten between 14–33 days (low emissions scenario) and 27 to 62 days (high emissions scenario), with direct economic losses of $657 million to 1.352 billion annually. [10]
It’s been three weeks since the general election polls closed on Nov. 5, and there are still three races for the U.S. House of Representatives that remain too close to call: two in California ...