CO2 levels to breach 50% rise from pre-industrial era in 2021 – Met Office

Climate crisis: 2020 was hottest year ever recorded The Guardian | Damian Carrington The climate crisis continued unabated in 2020, with the joint highest global temperatures on record, alarming heat and record wildfires in the Arctic, and a record 29 tropical storms in the Atlantic. Despite a 7% fall in fossil fuel burning due to coronavirus lockdowns, heat-trapping carbon dioxide …

Faster melting, hotter temperatures predicted in new climate models

15 December 2020, Carbon Brief, New climate models suggest faster melting of the Greenland Ice Sheet AYESHA TANDON Greenland’s vast ice sheet could melt faster than previously thought over the 21st century, according to a new study. The Greenland ice sheet is the second largest mass of ice on Earth, holding enough water to raise global sea levels by 7.2 metres. …

1.5°C above baseline is now the prescribed upper limit to global warming. Global temps for first 6 months of 2020 registered 1.3°C above baseline.

Global temperature for the first six months of 2020 registered 1.3°C above baseline, a number that has new significance ever since the IPCC Special Report/2018 about the risks of exceeding 1.5°C. NOVEMBER 20, 2020, https://www.counterpunch.org/2020/11/20/expert-ipcc-reviewer-speaks-out/ Expert IPCC Reviewer Speaks Out BY ROBERT HUNZIKER Expert IPCC Reviewer Speaks Out Roger Hallam, co-founder of Extinction Rebellion/XR recently interviewed Peter Carter, M.D., who has …

Research: getting close to tipping points

November 2020. In the paper, published as a commentary in the journal Nature this month, the group of researchers summarize the latest findings related to the threat of tipping points as part of effort to “identify knowledge gaps” and suggest ways to fill them. “We explore the effects of such large-scale changes,” the scientists explain, “how quickly they might unfold …

Nearly all of Colorado is under some drought status – 20 years into megadrought in the West

Also see: https://blogs.ei.columbia.edu/2020/04/16/climate-driven-megadrought-emerging-western-u-s/ – April 20th, 2020 The Colorado Sun | evan@coloradosun.com Colorado currently is one of the drier parts of the country, and although conditions have improved in recent weeks, the long-term outlook for the state is relatively grim.  Much of Colorado continues to suffer through extreme drought, and nearly all of the state is experiencing drought, according to the …

New climate modeling shows that worst-case scenarios do not go far enough

Modelling suggests climate is considerably more sensitive to carbon emissions than thought, by Jonathan Watts 13 Jun 2020, Guardian Worst-case global heating scenarios may need to be revised upwards in light of a better understanding of the role of clouds, scientists have said. Recent modelling data suggests the climate is considerably more sensitive to carbon emissions than previously believed, and experts …

Climate justice and one of the most important climate change articles: climate change that takes place due to increases in carbon dioxide concentration is largely irreversible for 1,000 years after emissions stop

The severity of damaging human-induced climate change depends not only on the magnitude of the change but also on the potential for irreversibility. This paper shows that the climate change that takes place due to increases in carbon dioxide concentration is largely irreversible for 1,000 years after emissions stop. Following cessation of emissions, removal of atmospheric carbon dioxide decreases radiative …

Tropical Storms Are Getting More Intense: nearly four decades of satellite data from storms around the world, the likelihood of a storm reaching Category 3 or above, with sustained winds above 110 miles per hour, increased 8 percent per decade

 Jordan Davidson May. 19, 2020 Climate Home News The devastation caused by hurricanes in the Bahamas, Puerto Rico, North Carolina and Houston over the last few years is a direct effect of the climate crisis, which is making tropical storms stronger and wetter, according to a new study from the University of Wisconsin and the National Oceanic and Atmospheric Administration (NOAA), as CNN reported. The study looked …