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Posts Tagged "400 ppm"

Life, Unbounded

Humans Bring On Many Changes, Most Are Far From Painless

What happens in Vegas apparently spreads from Vegas....

From atmospheric changes, to timelapse imagery from Google Earth…our planetary presence is hard to miss. This past week has seen the concentration of carbon dioxide (CO2) in Earth’s atmosphere reach a level of 400 parts-per-million, a value the planet hasn’t seen since several million years ago. To put this into some kind of context let’s [...]

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Observations

Big Climate Danger Could Arrive as Soon as 2036

Mann graph

Climate change is changing. In three days we will find out how much, and how rapidly. The Intergovernmental Panel on Climate Change (IPCC), which is meeting in Yokohama, Japan, will release the second report of its massive assessment on Sunday, March 30 EDT (March 31 in Japan). The report will weigh the impacts of climate [...]

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Observations

12 Graphics That Contain Everything You Need to Know about Climate Change

earth-energy-heat-budget

Climate change is real, it’s here and it will be affecting the planet for a long, long time. That’s the lesson of the latest iteration of the Intergovernmental Panel on Climate Change‘s state of climate science report, released in its entirety on January 30. Concentrations of carbon dioxide in the atmosphere have now touched 400 [...]

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Observations

What You Need to Know about the Forthcoming Climate Change Report

ipcc-logo

Talk about management by committee: one group of more than 800 scientist authors to cope with more than 9,000 scientific publications on climate change and more than 20,000 comments from “expert reviewers” (plus another 30,000 or so from various other interested parties.) Now the Intergovernmental Panel on Climate Change is into four days of wrangling [...]

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Observations

The Climate May Be Changing, but the IPCC Remains the Same

ipcc-first-session-in-1988

By 2021, climate scientists should be 99 percent certain that climate change is our fault—up from 95 percent certain presently and a mere 90 percent certain all the way back in 2007. This conclusion of the leaked draft of the forthcoming assessment of the Intergovernmental Panel on Climate Change (IPCC) begs the question: Is any of [...]

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Observations

More Carbon Emissions = Less Global Warming?

400 ppm logo

400 PPM: What’s Next for a Warming Planet Concentrations of greenhouse gases in the atmosphere have reached this level for the first time in millions of years. What does this portend? » It’s the debate du jour in the climate blogosphere: How much hotter will the planet get as carbon dioxide levels in the atmosphere [...]

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