The Quadrennial Defense Review (QDR) is a legislatively mandated review of Department of Defense strategy and priorities.  Included in the 2010 review is a discussion of climate change and the implications it has on DOD policy and global security.

The Center for Naval Analysis, a non-profit research organization, compiled this detailed review of security and climate issues for non-governmental organizations and national security policy makers.

The Council on Foreign Relations (CFR) - a non-partisan membership organization, think tank and publisher -  produced this summary of the connection between climate change and national security:

A Natural Resources Defense Council piece on America's oil dependency:

The United State Energy Information Administration (EIA) collects, analyzes and disseminates impartial and independent energy information to America's leading policymakers in both the private and public sector. The following is a 2009 report on where the United States obtains its oil from:

Vet Voice Foundation recently conducted its own poll of Iraq & Afghanistan veterans.  Learn more about it here.