The Eisenhower Administration promoted the Interstate Highway System as necessary for national defense - to be able to move men and material quickly around the country.
Some lone voices are calling for energy and climate to be considered national defense issues. Energy is obvious because petrodollars are funding terrorists and authoritarian governments. It is ironic that the fuel needed to fight in Iraq and Afghanistan is being provided by the people who supply major funding to terrorist organizations.
Climate change as it affects food supplies will cause major instability in many countries, leading to worse governments and more stress among nations. See Terror in the Weather Forecast by Thomas Homer-Dixon, New York Times, April 24, 2007.
