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threshold

Sequoias Burn: Ongoing Collapse of the Unburnable

By Abrupt changes, adaptation, Emissions flip, Fire, forest health, Forest Mortality, Gigs and Presentations, Impacts, in-depth and Popular Press, The Unexpected

Sequoias Burn: Ongoing Collapse of the Unburnable By Bruce Melton PE, Director of the Climate Change Now Initiative 2005, ClimateDiscovery.org (Co-published on the Rag Blog for an interview on Rag Radio in Austin, syndicated on Pacifica, September 23, 2022, 2 to 3 pm Central – KOOP 91.7 FM Streaming) The National Park Service says sequoias…

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Like an Avalanche – Extremes Beyond our Earth’s Systems’ Evolution

By Abrupt changes, Climate Culture, climate emergency, Climate Reform, climate restoration, CO2 Removal and Sequestration, Earth systems, Emissions flip, Extreme Weather, Impacts, Negative emissions, Scenarios

Onion Creek Flood 2013, US 183 bridge, Austin, Texas – new record flood depth. Climate change has returned to the news in full force with the Council of Parties meeting COP26, the 197 nation meeting of the United Federation Convention on Climate Change. What will come from the meeting is hopefully a more aggressive agreement…

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The International Energy Agency Says we will Reach the Point of No Return in 2017; in Just Five Years

By Emissions Scenarios

The International Energy Agency (IEA) has returned a valuable yet frightening assessment of our current and future energy use and climate change. We have just five years to bring our energy sources into line with climate change mitigation scenarios or we default on our planet. Says the IEA: “On planned policies, rising fossil energy use…

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US Geological Survey Report – U.S. Climate Change Science Program. Thresholds of Climate Change in Ecosystems

By Abrupt changes

(170 pages) Ecological thresholds occur when external factors, positive feedbacks, or nonlinear instabilities in a system cause changes to propagate in a domino-like fashion that is potentially irreversible.  Atmospheric carbon dioxide has reached levels unprecedented in possibly the last 24 million years. CO2 concentrations have risen by 34%, mostly in the last several decades. Global…

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