There isn't enough space for all of the trees companies want to plant

Nov 8, 2021
By one estimate, the pledges out there already would require a forest five times the size of India.
New research by Oxfam indicates that there may not be enough room to plant all the trees proposed in corporate climate pledges. Above, native birch trees grow next to a desert of volcanic sand in Iceland.
Sean Gallup via Getty Images

Emissions offsets ease travel guilt, but do they reduce carbon footprints?

Aug 17, 2021
The voluntary carbon offsets market is unregulated, with no standard pricing. And offsets may not deliver what they promise.
Though eco-conscious flyers may pay to offset their emissions, experts say a better way to reduce your carbon footprint is to fly or drive less.
Chandan Khanna/AFP via Getty Images

Delta wants to be the first carbon neutral global airline

Feb 14, 2020
Cleaner jet fuels and electric planes are still decades away, meaning Delta is focusing on carbon offsets.
Delta Airlines plans to be carbon neutral by purchasing carbons offsets.
Mario Tama/Getty Images

One Texas non-profit's idea to help curb climate change

Apr 1, 2019
Landowners would pay to “store” carbon.
Texas Coastal Exchange says preserving coastal marshland could be key to battling climate change.
Travis Bubenik for Marketplace

My annual offset disappointment

Jan 4, 2010
In the last week of the year, I have a ritual of calculating my carbon footprint and buying offsets....