Teachng you ecology in a fun and informative way is Hank Green.
The History of Life on Earth
Population Ecology: The Texas Mosquito Mystery
Human Population Growth
Community Ecology: Feel the Love
Community Ecology II: Predators
Ecological Succession: Change is Good
Ecosystem Ecology: Links in the Chain
The Hydrologic and Carbon Cycles: Always Recycle!
Nitrogen & Phosphorus Cycles: Always Recycle! Part 2
5 Human Impacts on the Environment
Pollution
Conservation and Restoration Ecology
Terra Brasil - Guias
Terra Brasil - Trilhas
The Green Planet
Nomade des mers
State of the Planet
Zatopené osudy
Life
Life on Earth
J'ai vu changer la Terre
Earth From Above
200 km à la ronde
6 Milliards d'Autres
Eko Eko Eko
Thinkerview
Our Planet
Construire le futur
Eco House Challenge
70 Years of Youth Revolt
Nachhaltige Architektur
Como Será?