That's an odd assertion. So is the "support for Israel" assertion, given that al Qaeda kills plenty of Muslims too, who they feel aren't up to snuff. At least the Israel argument is widely repeated - but al Qaeda as climate change activists?
http://www.foxnews.com/world/2010/01/29/bin-laden-blames-glo...
They don't like us because of our lack of action on global warming? HAHAHAHAHHAHAHHAH.
It sounds like they are catering to the lefties in the US. The group that they can win over and use as a tool to infiltrate the US (The left hates the US military and Christianity..).
It's not a source of terror attacks because it's damn near impossible to get anything into the airports.
Sounds quite similar to this viewpoint: "In politics as in religion, my tenets are few and simple....meddling as little as possible in [other nations'] affairs where our own are not involved." — George Washington