Here are some exercises about environment. Solve them to learn more vocabulary on the topic.

http://www.prof2000.pt/users/liska/JMatchDraganddrop2.htm
http://www.prof2000.pt/users/liska/JQuizMultiplechoice11.htm
http://www.prof2000.pt/users/liska/JMatchOrderingsentences3.htm
http://www.prof2000.pt/users/liska/jclozedropdown3.htm
http://www.prof2000.pt/users/liska/JCross.htm