The topics/themes to choose from

Hello to all of you. Please choose one of the topics/themes from the list below:
Bonjour à toutes et à tous. Choisissez un sujet/thème de la liste ci-dessous:

Topic list: Humans and the Environment

1) Air pollution from transportation
2) Air Pollution from manufacturing
3) Garbage disposal
4) Wildlife poaching in Africa
5) Whale Hunting
6) Salmon and dams
7) Logging and environment
8) Water pollution
9) Disappearing wetlands
10) Truth of Global warming
11) Oil drilling and environment
12) Natural gas drilling and environment
13) Desertification
14) Mining and environment
15) Nuclear energy and environment
16) Overpopulation
17) Overgrazing