As our colleague Elisabeth Rosenthal writes in the Green blog, the United States military is aggressively moving to decrease its reliance on fossil fuels by deploying renewable energy technology in battle.

Interactive Feature Greening the Armed Forces

The new equipment — including portable solar panels that fold up into boxes; energy-conserving lights; solar tent shields that provide shade and electricity; solar chargers for computers and communications equipment — is arriving in Afghanistan at a time when militants are increasingly attacking American convoys transporting fuel through Pakistan.

Read more at Green.