Carbon Footprint is the total amount of greenhouse gas emissions (GHG) such as carbon dioxide (CO2) that a business, organization, product, household or personal lifestyle produces. A bigger footprint is harder on the planet. The EPA has developed a Household Carbon Footprint Calculator to provide a rough estimate of a household's GHG emissions. Greenhouse gases act like a blanket by trapp heat in the atmosphere making Earth warmer than it would otherwise be.
Reduce, reuse and recycle are ways humans can reduce their carbon footprint and thus their impact on the planet. (Photo: Flickr)
(Un) Happy Earth Overshoot Day
July 31, 2018, 9:52 a.m. by Karl Burkart
It's the day we go into 'nature debt,' utilizing more than the year's supply of water, forest and agricultural resources.
How to reduce your carbon footprint from flying
June 3, 2018, 1:32 p.m. by Josh Lew
You probably can't avoid flying, but you can reduce or eliminate your carbon footprint when you do.
Is Amazon Prime eco-friendly or wasteful?
April 19, 2018, 8:42 a.m. by John Platt
Does the ease of free, one-click shipping outweigh the potential environmental costs?
Americans are curbing their love affair with beef
March 30, 2017, 1:21 p.m. by Robin Shreeves
Americans are curbing their love affair with beef and the result is a 10 percent reduction in food-related emissions.
How much Arctic sea ice did you melt today?
November 7, 2016, 5:37 a.m. by Michael d'Estries
New study puts a cold, hard number on individual actions.
The huge carbon footprint of cement (and what we can do about it)
January 27, 2016, 8:15 a.m. by Sami Grover
Cement manufacturing contributes 5 percent of global carbon emissions. But what if it could become part of the solution?
Can more intensive agriculture cut emissions?
January 13, 2016, 3:22 p.m. by Sami Grover
When you grow more food per acre, it makes room for more forests. At least that's what one group of researchers is proposing.
Carbon dioxide could soon be transformed back into liquid fuel
December 28, 2015, 4:06 p.m. by Bryan Nelson
What if we could turn our fuel emissions back into fuel?
U.S. Christmas decorations use more energy than many nations do in a year
December 28, 2015, 6:13 a.m. by Bryan Nelson
Christmas is the season for many things, including a ridiculous carbon footprint.
All our gains in energy efficiency have been wiped out by increases in house size
November 18, 2015, 6:11 a.m. by Lloyd Alter
There are a number of reasons our houses are getting bigger, and it's a real problem.
Worldbeing wearable tracks your carbon footprint
November 9, 2015, 10:01 a.m. by Starre Vartan
I have no idea what my carbon footprint is. Do you know yours? This bracelet could help.
Could the carbon bubble ruin your retirement?
May 14, 2015, 10 a.m. by Sami Grover
Remember the subprime mortgage bubble? The carbon bubble might be our next $6 trillion nightmare.
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A horse named Jenny takes a daily stroll through the streets of Frankfurt
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Wyoming billionaire pledges to protect 30% of the planet by 2030
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How to stock a pantry
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Lyrid meteor shower to peak on Earth Day
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9 of the world's largest dog breeds
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A child born with severe spina bifida has new mobility and new possibilities
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10 ways to give without buying stuff
Thoughtful gifts can be experiences, time or even a special treat.
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Carbon footprint reality
If you really want to reduce your footprint, have fewer kids and ditch your car.
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Why you should kick the plastic straw habit
Straws create litter and end up in the marine food chain — but it doesn't have to be that way.
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16 simple ways to reduce plastic waste
These easy things can decrease the amount of plastic trash you make.
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9 skills they don't teach in school (but should)
From CPR to car repair, these building blocks create safe, successful adults.
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