Summary: A life-sustaining envelope of gas surrounds the earth. This atmosphere contains oxygen, CO2, water vapor, and other gases-it is what generates climate, which affects all living beings. This program analyzes the sun's gradual brightening and the relationship between sunlight and CO2, explains why the atmospheres of Mars and Venus cannot sustain life, theorizes about the disappearance of...
Format: software, multimedia
Publisher / Publication Date: Films Media Group 2006
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Summary: Climate is a changing phenomenon, the first signs of alteration appearing in its day-to-day behavior-i.e., the weather. One readily observable recent climatic change is the increase in the number and ferocity of giant weather events like hurricanes. This program explains the origin of tropical storms, tropical rainforests, and polar deserts. It shows the route and the effect of the Gulf Stream...
Format: software, multimedia
Publisher / Publication Date: Films Media Group 2006