Visit the U.S. Transportation Security Administration to learn about heightened security measures in response to the December 25 incident in which a Northwest Airlines passenger set off a device while the plane was in flight. Passengers are encouraged to be aware of their surroundings and report any suspicious behavior to law enforcement officials.

State and federal agencies--as well as private companies and consumers--are using alternative fuel and advanced technology vehicles. Such vehicles come in a variety of makes and models; and alternative fueling stations are located throughout the United States. Visit the U.S. Department of Energy to learn more.

USA.gov has created a new "Government Dialogs" page that lists current opportunities to participate in policymaking and share your opinions and feedback with the government.

Use OpenCongress.org to follow legislation. This website brings together official government data with news coverage, blog posts, public comments, and more. Open Congress is a joint project of the Participatory Politics Foundation and the Sunlight Foundation.

Every day is a deadly day on U.S. roads. Approximately 36 people are killed and 700 are injured in the U.S. each day as a result of alcohol-impaired drivers. If you or your driver is under the influence of alcohol or drugs, find an alternate way home--get a cab, take public transit, or call a sober friend or family member to pick you up.

World AIDS Day--observed on December 1--provides an opportunity to educate people about HIV, reduce the stigma associated with it, and promote HIV testing. Visit AIDS.gov for more information.