967 citations
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physics.ao-ph2008★ 967 cited
Target atmospheric CO2: Supporting material
J. Hansen, M. Sato, P. Kharecha +7
Additional material supporting the article "Target atmospheric CO2: Where should humanity aim?"
physics.ao-ph2008★ 967 cited
Target atmospheric CO2: Where should humanity aim?
J. Hansen, M. Sato, P. Kharecha +7
Paleoclimate data show that climate sensitivity is ~3 deg-C for doubled CO2, including only fast feedback processes. Equilibrium sensitivity, including slower surface albedo feedba…
physics.ao-ph2007★ 5 cited
How Can We Avert Dangerous Climate Change?
J. Hansen
Recent analyses indicate that the amount of atmospheric CO2 required to cause dangerous climate change is at most 450 ppm, and likely less than that. Reductions of non-CO2 climate…