Recent Activity

Default_user_small_avatar 06/19/13 laxthelm accepted "Lonely Light Love", reducing CO2 by 1 lb so far.
Default_user_small_avatar 06/19/13 laxthelm accepted "Right Now, Less Cow", reducing CO2 by 1 lb so far.
Default_user_small_avatar 06/18/13 foreversmiley412 accepted "Lonely Light Love", reducing CO2 by 1 lb so far.
Default_user_small_avatar 06/18/13 foreversmiley412 accepted "Counter Intelligence", reducing CO2 by 0 lbs so far.
Default_user_small_avatar 06/18/13 foreversmiley412 accepted "Cold Then Fold", reducing CO2 by 1 lb so far.

Top suggestions

Default_user_small_avatar Violet's "Wear your jeans at least twice before washing them." suggestion has a score of 526.
250_hoppy5 bumble bee*'s "google green" suggestion has a score of 351.
69_mm miri's "make a statement" suggestion has a score of 194.
739_water_lilies CarbonRallyGirl108's "Water Water Water" suggestion has a score of 168.
257_bubbles Elizabeth Elephant's "Buy Fresh Not Frozen" suggestion has a score of 166.
Challenges

Home

Our Featured Challenge is listed below. (new ones are published every few weeks)

De-cup Your Decaf Featured on Sep 13, 2012

Challenge

Are coffee shops part of your daily routine? If so, go one week without using any disposable coffee cups.

Individual Result

By using your own coffee cup, you will reduce your CO2 emissions by a total of 1.25 lbs this week.

Rally Impact

13531 people have reduced CO2 emissions by 8.31 tons by completing this challenge so far. That's equal to turning off the electricity of 7 homes for about 1 month!

Accept This Challenge »

Lonely Light Love Featured on Mar 20, 2011

Challenge

Turn off the lights in an empty room. Do it each day for seven days.

Individual Result

Killing un-needed lights in one room every day for a week will reduce CO2 emissions by 8.13 pounds.

Rally Impact

3299 people have reduced CO2 emissions by 12.77 tons by completing this challenge so far. That's equal to turning off the electricity of 14 homes for about 1 month!

Accept This Challenge »

Bust a Gust Featured on Jan 03, 2011

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

696 people have reduced CO2 emissions by 59.24 tons by completing this challenge so far. That's equal to turning off the electricity of 68 homes for about 1 month!

Accept This Challenge »

Two Cool Featured on Jul 23, 2010

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

4903 people have reduced CO2 emissions by 12.94 tons by completing this challenge so far. That's equal to turning off the electricity of 14 homes for about 1 month!

Accept This Challenge »

Anvil Fashion Swap Featured on Apr 08, 2010

Challenge

Find a nice piece of clothing you no longer wear, and swap it with a friend. We'll show you how.

Individual Result

When you swap a piece of clothing instead of buying new, you'll eliminate about 29 lbs of CO2.

Rally Impact

1443 people have reduced CO2 emissions by 21.07 tons by completing this challenge so far. That's equal to turning off the electricity of 28 homes for about 1 month!

Accept This Challenge »

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

2744 people have reduced CO2 emissions by 40.72 tons by completing this challenge so far. That's equal to turning off the electricity of 35 homes for about 1 month!

Accept This Challenge »

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

1620 people have reduced CO2 emissions by 4.14 tons by completing this challenge so far. That's equal to turning off the electricity of 1 home for about 1 month!

Accept This Challenge »

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

2947 people have reduced CO2 emissions by 42.25 tons by completing this challenge so far. That's equal to turning off the electricity of 35 homes for about 1 month!

Accept This Challenge »

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

4432 people have reduced CO2 emissions by 41.03 tons by completing this challenge so far. That's equal to turning off the electricity of 35 homes for about 1 month!

Accept This Challenge »

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

3065 people have reduced CO2 emissions by 11.34 tons by completing this challenge so far. That's equal to turning off the electricity of 14 homes for about 1 month!

Accept This Challenge »

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

7878 people have reduced CO2 emissions by 104.05 tons by completing this challenge so far. That's equal to turning off the electricity of 136 homes for about 1 month!

Accept This Challenge »

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

3156 people have reduced CO2 emissions by 310.29 tons by completing this challenge so far. That's equal to turning off the electricity of 339 homes for about 1 month!

Accept This Challenge »

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

3533 people have reduced CO2 emissions by 33.27 tons by completing this challenge so far. That's equal to turning off the electricity of 35 homes for about 1 month!

Accept This Challenge »

Super Challenge: Boast About Compost Featured on Jun 13, 2008

Challenge

Hit pay-dirt! For the next three months, compost your kitchen waste and yard clippings.

Individual Result

Composting part of your daily garbage will reduce methane emissions equal to 30 lbs of CO2 each month.

Rally Impact

2083 people have reduced CO2 emissions by 86.92 tons by completing this challenge so far. That's equal to turning off the electricity of 102 homes for about 1 month!

Accept This Challenge »

Air-out Your Fridge Featured on May 01, 2008

Challenge

Clean your fridge coils to help it breathe easier. You don't need special tools, just a desire to reduce CO2.

Individual Result

Giving your fridge a quick check-up will reduce CO2 emissions by 150 lbs over the next 6 months and save you $9.70 in energy costs.

Rally Impact

1486 people have reduced CO2 emissions by 110.46 tons by completing this challenge so far. That's equal to turning off the electricity of 136 homes for about 1 month!

Accept This Challenge »

Power Shower Featured on Apr 10, 2008

Challenge

Knock 2 minutes off your daily shower time. Do it for a month. Use a timer to stay honest!

Individual Result

Reducing your shower from 8 minutes to 6 for a month will reduce CO2 emissions by a total of 15.3 lbs, and energy costs by $1.32.

Rally Impact

9928 people have reduced CO2 emissions by 70.7 tons by completing this challenge so far. That's equal to turning off the electricity of 68 homes for about 1 month!

Accept This Challenge »

Change a Few Bulbs Featured on Oct 15, 2007

Challenge

Replace just 3 of the regular light bulbs in your home with Compact Fluorescent Light bulbs.

Individual Result

You will reduce your CO2 emissions by 2.1 lbs each day for an annual impact of 766 lbs. You'll also save $18 per year in energy cost.

Rally Impact

6102 people have reduced CO2 emissions by 8,826.35 tons by completing this challenge so far. That's equal to taking 1731 cars off the road for about one year!

Accept This Challenge »
Closed Challenges
Closed challenges include seasonal challenges, one-time challenges, and other challenges which cannot be taken at this time.