01:42
Something in the Air: Monsoons
Monsoons are seasonal patterns of wind circulation associated with large amounts of summer rainfall and thus favorable conditions for agriculture. Monsoon climates exist in Africa, Asia, Northern Australia and, to some extent, the Americas. About si...
02:06
Something in the Air: Weather Forecasting
In large part due to computer modeling and data from satellites, meteorologists are making significant progress in their efforts to increase both the accuracy and the utility of their forecasts.
01:52
Environmental Impact of Humans Over the Past Century, The
Paul Ehrlich, best known for his work on population growth, observes that during the past century, man has gone from being just one more animal inhabiting planet Earth, to dramatically and perhaps forever altering the environmental landscape of this...