Thomas Grimm The OMEGA Project NASA Ames Research Center Offshore Membrane Enclosures for Growing Algae 1111999847188888 2008 -2 -1 0 1 2 Temperature Anomaly °C Data from NASA Goddard Space Flight Center James Hansen, Goddard Institute of Space Studies Robert B. Schmunk, Scientific Visualization Studio ) +0.5 C ° ( y +0.0 l a m o -0.5 n a . p A m -1.0 360 t m e T o 340 s p h e 320 r i c 300 C O 2 280 ( P P 260 M ) s) 6 n o 5 i l l bi 4 ( n 3 o i t 2 a l u 1 p o P 1000 1100 1200 1300 1400 1500 1600 1700 1800 1900 2000 Year What is the meaning of sustainable? Sustainable population? Sustainable population? ? Peak oil: You are here