Ecology

Natural disasters game 
http://www.learningchocolate.com/content/natural-disasters

World problems game
http://www.learningchocolate.com/content/world-problems

The ballad of Lisa the lemur

http://learnenglishkids.britishcouncil.org/en/songs/the-ballad-lisa-the-lemur

Animals in danger video http://zapt.io/thw6tz9a