In the Home Office

Plug in a laptop, not a desktop. In the market for a new computer? A laptop uses about half the energy of its desktop counterpart. Choose a model with the federal government’s Energy Star rating and use 70 percent less energy than a noncertified model.

Curtail junk mail. It takes some legwork, but in the end, you’ll save trees, water, and emissions, too. If everyone in the United States reduced the junk mail he receives every week, 100 million trees would be spared each year. Go to optoutprescreen.com to stop receiving pre-approved credit card offers and sign up on catalogchoice.org to reduce the amount of unsolicited catalogs sent to you.

Buy green power from your utility. In many states, you can opt to purchase renewable energy from your local power company for a few extra dollars a month. Visit the Green Power Network’s U.S. map at eere.energy.gov/greenpower to get started. Then rest easy knowing the light you read by comes from your wind- or methane-powered lamp.

Woman running water and holding a toothbrush

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