http://www.arcticrefugeaction.org/ go here. if you have the time, write a letter or make a call - all the contact information for our senators and representatives can be found under the 2. bullet, "Contact your member of Congress." If not, simply fill out the form on the homepage (also under the same bullet heading) and it will send a pre-generated message for you.
It only takes a minute, and a bill is fast approaching that could allow drilling to begin. Drilling would ruin the land, displace thousands of animals, destroy the culture of yet another indigenous group, and worst of all, have absolutely no noticable effect on gas prices or foreign oil dependency. Please don't let this happen.