Videos
AP Environmental Science
Pick a topic to watch.
8 video lessons
7:58
Topic 2
The Living World: Biodiversity
A volcano pushes a new island up out of the sea. At first there is nothing on it — bare rock, no soil, no life at all. Fifty years later, it is green. So how…
7:44
Topic 3
Populations
In 1944, twenty-nine reindeer were released onto a small island. There were no predators, and the ground was thick with moss. Within twenty years there were…
7:28
Topic 4
Earth Systems and Resources
Two towns, forty kilometres apart, on opposite sides of one mountain range. One of them gets three metres of rain a year — a rainforest. The other gets less…
13:36
Topic 5
Land and Water Use
Three ordinary places. A logging truck carrying trees that stood here this morning. A pit so wide you could see it from space. A city spreading over the…
9:13
Topic 6
Energy Resources and Consumption
Look at this hole in the ground. A machine digs out soft brown coal, and the power station behind it burns it the same day. Now look at this: three towers on a…
8:02
Topic 7
Atmospheric Pollution
Look at this city. You cannot see the buildings, because you can see the air. Now step inside a kitchen, where one cooking fire fills the room with smoke. Now…
8:37
Topic 8
Aquatic and Terrestrial Pollution
Look at this pond. It is bright green, and it is full of life. Every fish in it is dead. Now look at this hill. It is not a hill. It is our rubbish, buried.…
8:14
Topic 9
Global Change
In nineteen eighty-five, scientists studying the sky above Antarctica found something frightening: a hole in the ozone layer, the thin shield that keeps the…