Animated video that explains the importance of coral reefs in the food web. Narrated by Celine Cousteau, the video is ideal for school kids and an great tool for teachers to introduce them to ocean biology, environmental issues and social activism.4.1.B.a; 4.1.B.c; 4.1.D.a; 4.2.A.a
Instantly converts length, area, volume, weight, temperature,fuel efficiency and power. Includes US customary and metric system. Helpful site for measurement unit.
Very intriguing site listing live statistics including world population, species extinct, forest lost, forest replanted and an oil depletion timer. Click on Population Counters (globe on the right) to see the populations on each continent as the globe slowly spins around. Very cool!