Carbon Cruise
The Antarctic tourism industry’s carbon footprint
The Energy Efficiency Catch-22
Some experts say that energy efficiency can slash carbon emissions at bargain prices. Others say: not so fast. The more we save, the more we use. By John Carey.
Fast Carbon Relief
Limestone scrubbers transform powerplant emissions into ocean antacid
Greener Pastures
What goes on in the stomachs and under the hooves of cows might be the key to turning deserts back into grasslands—and even cooling the planet. By Judith D. Schwartz.
Gray and Green
Aging populations curb CO2 emissions
Here’s a climate-change solution to ponder: wrinkles. An aging population could substantially reduce future emissions—according to a recent analysis.
Carbon Accounting
Countries could estimate Amazon carbon stocks for pennies a hectare
Sound Footprint
Music purchased online tops the charts for carbon savings
Planned Obsolescence
Could freezing construction of new carbon-emitting devices keep us off the hot seat?
Black Is the New Green
In a deft act of ecological jujitsu, Johannes Lehmann wants to borrow an 8,000-year-old technology to interrupt the natural carbon cycle and return some of the infamous black stuff to the so
Bumper Carbon Crop
Without the Green Revolution, human carbon emissions would be 33% higher
