carbon footprint

We Earthlings: The CO2 Impact of Soda Pop Consumption

What connects us all? Nature and our shared relationships through …

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We Earthlings: Know Your CO2 Flightprint

We Earthlings posters are ready to share and inform your …

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Earth911 Podcast, August 20, 2018: Sustainability in Your Ear

Ernie Roberts, sustainability manager for computer accessories maker Belkin, joins …

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Gernot Wagner on The Futility of Going Green and the Economics of What Really Matters (Podcast)

If bringing your canvas bags to the grocery store, carpooling, and forgoing double cheeseburgers makes you feel good about yourself, terrific. But don’t expect the planet to notice. What the world needs, says Environmental Defense Fund economist Gerno…

Ask Pablo: Paper or Plastic? Spending Cash vs Credit Cards

Image credit: Andres Rueda, used under Creative Commons license.

Dear Pablo: Is it more sustainable to use cash or credit cards to pay for transactions?

The correlation between consumerism and environmental impact goes without saying but aside from …

World Contraception Day is For Women’s Rights, But It’s For the Environment, Too

Image: Lars Plougmann via flickr

The connection between increased access to family planning and greenhouse gas emissions has been covered here before, but since World Contraception Day was this week and we’re still

Ask Pablo: Will iPads in the Cockpit Really Lower Airlines’ Paper Use?

Photo by comedy_nose via Flickr CC

Dear Pablo: Two airlines have recently switched from paper flight records to iPads. Is this really an environmental improvement?

TreeHugger recently covered news of two airlines (

TreeHugger Trivia: Google’s Carbon Footprint and Electricity Consumption

Photo credit: espensorvik via Flickr/Creative Commons/BY

We all know Google as the giant Internet company that serves the world billions of pages of search results, YouTube videos, email messages, and lots more, every single day around the globe. All…

Ask Pablo: Do Solar Panels Contribute To The Heat Island Effect?

Image credit: Bernd Sieker, used under Creative Commons license.

Dear Pablo: Does installing commercial rooftop solar PV (with the dark-colored PV cells) negate the effect of painting that same roof white to alleviate the “heat island” effect in citi…

Ask Pablo: Do $1 Coins Have A Smaller Footprint Than $1 Bills?

Image credit: US Mint, used under the United States Mint Circulating Coin Design Use Policy

Dear Pablo: Do $1 Coins have a smaller footprint than $1 bills and what is the environmental impact of the $1 coins that the US Mint is supposedly stockpiling…