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Seventeen Fashion Swap Featured on Mar 02, 2010
Challenge
Instead of buying something new, trade clothes you don’t love anymore with a friend. It’s like shopping for free!
Individual Result
When you swap a piece of clothing instead of buying new, you'll eliminate about 29 lbs of CO2.
Rally Impact
215 people have reduced CO2 emissions by 3.14 tons by completing this challenge so far. That's equal to turning off the electricity of 1 home for about 1 month!
Give Your Computer a Rest Featured on Jan 29, 2010
Challenge
Unplug your computer every night for one month. Unless it's unplugged, your idle PC still uses electricity.
Individual Result
By unplugging your PC each night for a month, you will reduce your CO2 emissions by a total of 51 lbs. and your electric bill by $3.30.
Rally Impact
6157 people have reduced CO2 emissions by 154.96 tons by completing this challenge so far. That's equal to turning off the electricity of 203 homes for about 1 month!
Kick The Catalogs Featured on Jan 13, 2010
Challenge
Cut down on the number of catalogs jamming your mailbox this year. We'll show you how!
Individual Result
Reducing your catalogs by 75% will lower your CO2 emissions a total of 30 lbs over the next 12 months.
Rally Impact
2413 people have reduced CO2 emissions by 31.84 tons by completing this challenge so far. That's equal to turning off the electricity of 35 homes for about 1 month!
Bust a Gust Featured on Jan 02, 2010
Challenge
Identify and snuff-out drafts in your home or apartment. We'll show you how.
Individual Result
By keeping chilly air from seeping in, you'll eliminate 175 lbs of CO2 emissions this winter and knock $23 off your heating bill.
Rally Impact
300 people have reduced CO2 emissions by 16.05 tons by completing this challenge so far. That's equal to turning off the electricity of 21 homes for about 1 month!
Counter Intelligence Featured on Sep 24, 2009
Challenge
Give up paper towels for one month. Use alternatives, such as dishtowels or sponges.
Individual Result
Eliminating your use of paper towels will reduce CO2 emissions by 5.8 lbs this month, and save you about $8.
Rally Impact
736 people have reduced CO2 emissions by 1.85 tons by completing this challenge so far. That's equal to turning off the electricity of 1 home for about 1 month!
Green Ham and Cheese Featured on Aug 27, 2009
Challenge
Do you pack your lunch? We challenge you to make every day a waste-free lunch day. We'll show you how.
Individual Result
By packing waste-free lunches for one month, you will reduce your CO2 emissions by 44.6 lbs and can save $20.
Rally Impact
4332 people have reduced CO2 emissions by 94.87 tons by completing this challenge so far. That's equal to turning off the electricity of 136 homes for about 1 month!
Cold Then Fold Featured on Aug 05, 2009
Challenge
Use only cold water to wash and rinse all of your laundry this month.
Individual Result
By washing more of your laundry in cold water, you will reduce your CO2 emissions by 30.4 lbs and save about $3!
Rally Impact
1458 people have reduced CO2 emissions by 21.06 tons by completing this challenge so far. That's equal to turning off the electricity of 28 homes for about 1 month!
Lowrider Featured on Jul 12, 2009
Challenge
What's the rush, Rallyers? Slow your car down a bit. And stop punching on the gas and brake.
Individual Result
If you or your driver follow some smart-driving tips for 1 month, CO2 emissions will be reduced by 133.9 lbs. and gas expenses will be reduced by $18.
Rally Impact
4620 people have reduced CO2 emissions by 285.77 tons by completing this challenge so far. That's equal to turning off the electricity of 339 homes for about 1 month!
Beverage Independence Featured on Jul 01, 2009
Challenge
Soft-drinkers, join a thirst revolution! Bag the bottles and make your own drinks for the next month.
Individual Result
Avoiding bottled soda, tea, and sports drinks will reduce your CO2 emissions by 25.7 lbs for the month.
Rally Impact
5244 people have reduced CO2 emissions by 62.29 tons by completing this challenge so far. That's equal to turning off the electricity of 68 homes for about 1 month!
Two Cool Featured on Jun 12, 2009
Challenge
Need to take your CO2 savings up a notch? If you use AC, try turning it up by two degrees for a week. No sweat.
Individual Result
Cutting back on your air conditioning just a little bit will reduce your CO2 emissions by 5.4 lbs for the week.
Rally Impact
3199 people have reduced CO2 emissions by 8.62 tons by completing this challenge so far. That's equal to turning off the electricity of 7 homes for about 1 month!
Work Your Wheelies Featured on May 29, 2009
Challenge
Hop on your bike for one day of fresh-air commuting to work or school.
Individual Result
By not driving just one day, you will reduce your CO2 emissions by 26 lbs and save about $3.
Rally Impact
1293 people have reduced CO2 emissions by 16.81 tons by completing this challenge so far. That's equal to turning off the electricity of 21 homes for about 1 month!
Sheets to the Wind Featured on May 07, 2009
Challenge
Use a clothesline for a few loads of laundry this month. Let evaporation dry your clothes instead of electricity!
Individual Result
By line-drying 1 laundry load per week, you will reduce your CO2 emissions by 18.8 lbs and your energy cost by $1.40 after one month.
Rally Impact
3718 people have reduced CO2 emissions by 34.79 tons by completing this challenge so far. That's equal to turning off the electricity of 35 homes for about 1 month!
Super Challenge: Veg Out Featured on Apr 22, 2009
Challenge
It's time to put your green thumb to work! This growing season, plant and tend your own vegetable garden.
Individual Result
Planting a vegetable garden will reduce your CO2 emissions by 40 lbs this growing season and save up to $70 on produce.
Rally Impact
1231 people have reduced CO2 emissions by 23.8 tons by completing this challenge so far. That's equal to turning off the electricity of 28 homes for about 1 month!
Right Now, Less Cow Featured on Apr 06, 2009
Challenge
Are you a meat lover? Give it a rest! Don't eat any meat for two days this week.
Individual Result
By not eating meat two days this week, you will reduce your carbon dioxide emissions by 13.2 lbs.
Rally Impact
12187 people have reduced CO2 emissions by 80.26 tons by completing this challenge so far. That's equal to turning off the electricity of 102 homes for about 1 month!
Sit, Click, and Deliver Featured on Mar 30, 2009
Challenge
Are you planning to drive to the store? Grab your mouse instead, and make the purchase online.
Individual Result
Shifting one purchase to online and avoiding a car trip to the store will reduce your CO2 emissions by 7.4 lbs.
Rally Impact
2457 people have reduced CO2 emissions by 9.09 tons by completing this challenge so far. That's equal to turning off the electricity of 7 homes for about 1 month!
Cash-in Your Closet Featured on Feb 20, 2009
Challenge
Give a decent item of clothing a new life. Find something you rarely wear, and sell or donate it. We'll show you how.
Individual Result
Selling or donating one item of clothing you don't need can reduce CO2 emissions by 27.1 lbs.
Rally Impact
5562 people have reduced CO2 emissions by 75.07 tons by completing this challenge so far. That's equal to turning off the electricity of 102 homes for about 1 month!
Feel The Hov Featured on Jan 13, 2009
Challenge
Share a ride to work or school one time this week, and keep a car off the road.
Individual Result
By carpooling just one day, you will reduce your carbon emissions by 26 lbs and save $5 or more.
Rally Impact
5490 people have reduced CO2 emissions by 71.37 tons by completing this challenge so far. That's equal to turning off the electricity of 102 homes for about 1 month!
Setback Payback Featured on Jan 02, 2009
Challenge
Want to save money on your heating bill and also reduce CO2? It's as simple as getting with the program.
Individual Result
Using a programmable thermostat for 1 month will eliminate 200 lbs of CO2 and save $32.
Rally Impact
2578 people have reduced CO2 emissions by 254.99 tons by completing this challenge so far. That's equal to turning off the electricity of 339 homes for about 1 month!
Top-off The Tires Featured on Nov 12, 2008
Challenge
Add air to the tires of your car so they're properly inflated. We'll tell you how.
Individual Result
By filling tires to the right pressure, you will reduce CO2 by 29 lbs and save $4.50 by the end of one month.
Rally Impact
4768 people have reduced CO2 emissions by 68.82 tons by completing this challenge so far. That's equal to turning off the electricity of 68 homes for about 1 month!
Dish-up Some Savings Featured on Sep 29, 2008
Challenge
If you don't already, it's time to use the energy saver options on your dishwasher. We'll tell you how and why.
Individual Result
By using low-energy dishwasher settings for one month, you will eliminate 20.5 lbs of CO2 and save $1.27.
Rally Impact
2794 people have reduced CO2 emissions by 26.66 tons by completing this challenge so far. That's equal to turning off the electricity of 35 homes for about 1 month!
Ringtone Revival Featured on Sep 09, 2008
Challenge
Do you have an old cell phone you're no longer using? Reduce CO2 by giving it a new life. Pass it on!
Individual Result
By selling, donating, or recycling one cell phone, you will eliminate an average of 94.1 lbs of CO2.
Rally Impact
3273 people have reduced CO2 emissions by 153.99 tons by completing this challenge so far. That's equal to turning off the electricity of 203 homes for about 1 month!

