; Sturtevant, Blake; Cassar, Nicolas 2005 | "Ice Core Record Extended: Analyses of trapped air show current COat highest level in 650,000 years" |
---|---|
Le Treut H, Somerville R, Cubasch U, Ding Y, Mauritzen C, Mokssit A, Peterson T, Prather M 2007 | "IPCC Fourth Assessment Report: Climate Change 2007 AR4 " |
Steger U, Achterberg W, Blok K, Bode H, Frenz W, Gather C, Hanekamp G, Imboden D, Jahnke M, Kost M, Kurz R, Nutzinger HG, Ziesemer T 2005.
26"Nature's green revolution: the remarkable evolutionary rise of C 4 plants" | "Gaia as seen through the atmosphere" |
---|---|
"Contributions to accelerating atmospheric CO 2 growth from economic activity, carbon intensity, and efficiency of natural sinks" | "What have we learned from 15 years of free-air CO2 enrichment FACE? "The Contemporary and Historical Budget of Atmospheric CO 2" PDF |
This is called the greenhouse effect.
14