Flood basalts and mass extinctions – ancient hyperthermals as analogs for anthropogenic climate change. Oceanic Anoxic Event (OAE) and mass extinctions are considered to be hyperthermals – usually associated with flood basalt eruptions.[2] Phases of rapid global warming, known collectively as hyperthermals.[1] Flood basalts are a subset of large igneous provinces (LIPs), the terms flood basalt…
Soil layers of permafrost that scientists expected to remain frozen for at least 70 more years have already begun thawing. NOTES In the Canadian Arctic, layers of permafrost that scientists expected to remain frozen for at least 70 years have already begun thawing. The once-frozen surface is now sinking and dotted with melt ponds and…
Thom Hartmann interviewed climate scientist Michael Mann in July 2019, here is a summary of it with a scope on our emissions, sea level rise, and what happens in the Arctic. SPEAKER Michael E. Mann, Penn State University https://twitter.com/MichaelEMann CREDITS The Thom Hartmann ProgramAdditional video by WWF https://www.worldwildlife.org/pages/our-planet NASAMusic by Gilde Flores / Epic Stock…
The amount of ice circling Antarctica is suddenly plunging from a record high to record lows, baffling scientists. A new NASA study by sea ice expert Claire L. Parkinson reveals recent trends in Antarctica’s sea ice extent. CREDITS A 40-y record reveals gradual Antarctic sea ice increases followed by decreases at rates far exceeding the…
Back in 1982, Exxon’s environmental affairs office circulated an internal report to Exxon’s management which said that the consequences of climate change could be catastrophic, and that a significant reduction in fossil fuel consumption would be necessary to curtail future climate change. It also said that “there is concern among some scientific groups that once…
Methane hydrates are ice like structures forming a solid similar to ice. Significant amounts have been located under sediments on the ocean floors of the Earth. Generally, methane hydrates are more stable in fresh water than in salt water. A region allowing the formation for methane hydrates (largely dependent on depth and pressure) is called…
Measurements at Mauna Loa by the Scripps Institution of Oceanography recorded 415.50ppm carbon dioxide CO2 concentration in the atmosphere for the first time in millions of years. This includes humans who evolved with around 280ppm. Temperature follows CO2, thus as additional carbon pollution is heating the atmosphere, with about 90% of this extra energy accumulated…
It might seem counterintuitive, but global warming plays a role in blasts of bitter cold weather. The reason: It influences the jet stream. Here’s how. https://insideclimatenews.org/news/02022018/cold-weather-polar-vortex-jet-stream-explained-global-warming-arctic-ice-climate-change Q&A: How is Arctic warming linked to the ‘polar vortex’ and other extreme weather? https://www.carbonbrief.org/qa-how-is-arctic-warming-linked-to-polar-vortext-other-extreme-weather
It might seem counterintuitive, but the dreaded polar vortex is bringing its icy grip to parts of the U.S. thanks to a sudden blast of warm air in the Arctic. https://www.voanews.com/a/science-says-get-used-to-polar-vortex-outbreaks/4763045.html Q&A: How is Arctic warming linked to the ‘polar vortex’ and other extreme weather? https://www.carbonbrief.org/qa-how-is-arctic-warming-linked-to-polar-vortext-other-extreme-weather