Is global warming caused by man?

yes man produces global warming but not all of it we smoke and other stuff. 

some global warming is voclcanos

Global Warring

1. Power Plants

2. cars

3. Airplanes

4. Buildings

5. Methane

5 things I can do to help prevrnt global warring is:

1. switch 100% of America's electricity to clean energy sources

2. reclcale

3. off set carbon and fund solar panels

4. wind turbines for schools

5. eat good food.