Concentration of CO2 in the Atmosphere
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by James Hansen and Pushker Kharecha
Here we make available “Global Warming Has Accelerated,” including the Supplementary Material (SM), in one document and the webinar discussing the paper.
The SM shows that the rate of freshwater injection on the North Atlantic Ocean assumed in “Ice Melt, Sea Level Rise, and Superstorms” was realistic, averaged over […]
What’s This Costing Us ($)?
AdobeStock 1046690304
Martin Wahl
Well, Earth, we did it! Scientists have determined that 2024 likely exceeded the 1.5-degree Celsius (2.7 degree Fahrenheit) limit set for global warming above the average temperature between 1880 and 1900 at the 2015 Paris Agreement. While this breach is a landmark, it doesn’t […]
Palisades fire, as seen from a rooftop in downtown Los Angeles on January 7. The fire only got worse over the next week, and it’s not done yet. (Toastt21, CC-BY-SA 4.0, Wikimedia Commons).
George Harvey and N.R. Mallery
Sometimes, as I read a story in the news, I can just picture […]
COP29 and What’s Next for Int’l Climate Policy Register
This past November, world leaders gathered at the United Nations annual climate talks (COP29) with the main goal of securing an ambitious climate finance agreement, alongside reaffirming that nations will take meaningful steps to cut emissions and transition away from fossil fuels as was agreed […]
John Gage
This year’s presidential election is the last one that matters for the goal of holding global warming to +1.5˚C above pre-industrial levels. Limits determined by physics will be breached if the U.S. and the world fail to make significant policy changes before the next U.S. presidential election. We cannot undo this […]
Hurricane Helene hitting the Big Bend region of Florida. (EOSDIS Worldview, NOAA).
Can we save the country’s budget?
George Harvey
Bloomberg NEF has estimated that it would cost $196 trillion to bring us to net-zero emissions, globally, by 2050. Countries have promised to do just that, but they are failing (tinyurl.com/CostToNetZero). […]
The Vermont Council on Rural Development (VCRD) announces the opening of applications for the fourth competitive round of the Climate Catalysts Innovation Fund.
In collaboration with VLITE, Vermont Community Foundation’s Sunflower Fund and others, VCRD is supporting innovators in developing solutions that move Vermont closer to its climate and energy goals. The first […]
Power County Wind Farm. Image from Energy.gov via Wikimedia Commons.
George Harvey
We have a lot of work to do on the climate crisis. We have everything we need to do it, in terms of equipment and knowledge, but there is still a big question about how it will be done.
COP28, […]
From Union of Concerned Scientists: The Equation
July 26, 2024 | 1:00 pm
Rachel Cleetus, Policy Director
Over the past few weeks, many large wildfires have broken out across the Western United States and Canada, forcing thousands of people to evacuate. Hotter, drier conditions driven by climate change are a significant underlying factor […]
Moonshot Farm has two 3000 square foot greenhouses where flowers are grown directly in the floor soil. (Courtesy photos)
Joanne Coons
A geothermal system was installed to maintain the proper temperature to grow the flowers.
Sometimes proven technology is the solution to doing things a little differently and a little better. […]
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Sustainability Symposium 2025: A Force of Nature
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