Here's an interesting site by a bunch of security hawks promoting environmentalism, at least in terms of oil independence: Set America Free
America consumes a quarter of the world’s oil supply while holding a mere 3% of global oil reserves. It is therefore forced to import over 60% of its oil, and this dependency is growing. Since most of the world’s oil is controlled by countries that are unstable or at odds with the United States this dependency is a matter of national security. At the strategic level, it is dangerous to be buying billions of dollars worth of oil from nations that are sponsors of or allied with radical Islamists who foment hatred against the United States. The petrodollars we provide such nations contribute materially to the terrorist threats we face. In time of war, it is imperative that our national expenditures on energy be redirected away from those who use them against us.
Conservatives tend to be a bit slow, by say twenty years or so, but they eventually get it.