Conversation so far:
What is his position on Global Warming?
Rohrabacher doubts that global warming is caused by humans.
What does he think global warming is caused by?
During a congressional hearing on climate change on February 8, 2007, Rohrabacher mused that previous warming cycles may have been caused by carbon dioxide.
How did people respond to his beliefs?
Dr.
Todd Stern, who is a supporter of a global climate treaty that would dramatically hurt the standard of living for millions of human beings.
Did he offer any solutions to global warming?
a possible solution could be clear-cutting rain forests, and replanting.
Did he introduce or support any legislature in connection with the affects of global Warming?
CANNOTANSWER.
Was he on any committees?
At a town hall meeting with the Newport Mesa Tea Party in August 2013, Rohrabacher said "global warming is a total fraud.

Question: Why did he think it was a fraud?
Self-contained rewrite: Why did Dana Rohrabacher think global warming was a fraud?