Serve a Hot Meal to Someone Who Needs It
Nearly 49 million people in this country go hungry, says the nonprofit organization Feeding America. That's 1 in 6 of the U.S. population—including more than 1 in 5 children. Check the Feeding America web site for food banks in your area, or search online for your city name plus "soup kitchen."
Calories burned: 537 for a three-hour shift of serving food and setting tables (more if you're lifting boxes or cans).
Muscles worked: Forearms (carrying dishes); legs (walking around tables).
Karmic bonus: The more people who get something to eat, the merrier everyone feels.