Water | VOL. 9, ISSUE 57, November-December 2009 |

Utilising Surplus Rainwater in India

Climate Change in the past 600 million years average temperature of the globe fluctuated between 12 and 22°C, and the CO2 concentration between 200 and 7000ppm. The last glacial period ended around 11,000 years before present (BP). From 11,000 to 9000 years BP the surface air temperature of the northern hemisphere (NH) rose from 11°C to 15°C. Since then temperature fluctuated around 15°C (±1°C). The CO2 concentration and the atmospheric temperature are not really correlated on geological time scale, and...

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