Daily Archives: March 2, 2008

Agricultural Ecosystem

Agricultural Ecosystems Men and women rice farmers working in Nepal. Credit: B. Sthapit/Bioversity Managing genetic resources on farms concerns the entire ecosystem, including cultivated crops, forages and agroforestry species, as well as their wild and weedy relatives that may be … Continue reading

Posted in Uncategorized | Leave a comment

Heat Island

An urban heat island (UHI) is a metropolitan area which is significantly warmer than its surroundings. The temperature difference usually is larger at night than during the day and larger in winter than in summer, and is most apparent when … Continue reading

Posted in Uncategorized | Leave a comment

Effects of Global Warming

How Will Global Warming Impact California? IPCC Emissions Scenarios Summary of Projected Global Warming Impacts (2070-2099, as compared to 1961-1990) State-wide Temp-erature Rise Higher Emissions: Rapid, fossil-fuel intensive growth 90% loss in Sierra snow pack 22-30 inches of sea level … Continue reading

Posted in Global Warming | Leave a comment