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Sign the Climate Petition

Sign the UN Climate Change Petition at hopenhagen.org. Make your voice heard.

3177 Participants
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Invite 10 Friends

Visit the My Friends tab above to invite friends to join Hopenhagen.

2330 Participants
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Become a Fan of Hopenhagen

Join the community of Hopenhagen fans and get updates from the movement.

2057 Participants
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Embed a Hopenhagen Badge

Find embeddable buttons for Hopenhagen here.

1942 Participants
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Turn Off Unused Lights

If there's no one in the room, then there's really no reason to light it, right?

1875 Participants
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Refill a Reusable Water Bottle

Producing and shipping plastic bottles releases tons of carbon into the atmosphere.

1691 Participants
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Walk, Bike, or Ride

Walking, biking and taking public transportation are the greenest ways to travel.

1483 Participants
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Unplug Electronics

Appliances draw power even when they're powered off or not in use.

1448 Participants
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Buy Organic and Local Foods

Local foods don't have to travel as far, thus saving carbon.

1385 Participants
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install CFLs in your home

CFLs last 10 times as long as incandescent bulbs.

1294 Participants
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Wash Clothes in Cold Water

Using cold water instead of hot or warm uses less energy.

1263 Participants
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Write My Local Representative

Tell your local leaders you support a successful climate agreement.

1261 Participants
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Send a Hopenhagen Email

Spread hope to everyone in your address book using our email tool.

1100 Participants
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Carpool to Work/School

Less cars on the road means less carbon in the air.

881 Participants
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buy recyclable materials

Look for products packaged in or made from recycled materials.

769 Participants
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Turn Down the Water Heater

120° F is usually hot enough.

567 Participants
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recycle car batteries and oil

Some mechanics will take old batteries, antifreeze and motor oil.

548 Participants
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Clean My AC filters

Cleaning a dirty filter can save 5% of the energy used.

467 Participants
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Use a Laptop

Energy-efficient laptops use 70% less electricity than desktop computers.

390 Participants
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Bring in my own Coffee Mug

Styrofoam and paper cups create needless waste. Use a mug from home.

312 Participants