All Challenges
Category:
Sign the Climate Petition
Sign the UN Climate Change Petition at hopenhagen.org. Make your voice heard.
Invite 10 Friends
Visit the My Friends tab above to invite friends to join Hopenhagen.
Become a Fan of Hopenhagen
Join the community of Hopenhagen fans and get updates from the movement.
Embed a Hopenhagen Badge
Find embeddable buttons for Hopenhagen here.
Turn Off Unused Lights
If there's no one in the room, then there's really no reason to light it, right?
Refill a Reusable Water Bottle
Producing and shipping plastic bottles releases tons of carbon into the atmosphere.
Walk, Bike, or Ride
Walking, biking and taking public transportation are the greenest ways to travel.
Unplug Electronics
Appliances draw power even when they're powered off or not in use.
Buy Organic and Local Foods
Local foods don't have to travel as far, thus saving carbon.
install CFLs in your home
CFLs last 10 times as long as incandescent bulbs.
Wash Clothes in Cold Water
Using cold water instead of hot or warm uses less energy.
Write My Local Representative
Tell your local leaders you support a successful climate agreement.
Send a Hopenhagen Email
Spread hope to everyone in your address book using our email tool.
Carpool to Work/School
Less cars on the road means less carbon in the air.
buy recyclable materials
Look for products packaged in or made from recycled materials.
Turn Down the Water Heater
120° F is usually hot enough.
recycle car batteries and oil
Some mechanics will take old batteries, antifreeze and motor oil.
Clean My AC filters
Cleaning a dirty filter can save 5% of the energy used.
Use a Laptop
Energy-efficient laptops use 70% less electricity than desktop computers.
Bring in my own Coffee Mug
Styrofoam and paper cups create needless waste. Use a mug from home.