Columns EarthTalk: Carbon tax vs. “cap-and-trade” Dear EarthTalk: What's the difference between a carbon tax and "cap-and-trade" system for reducing greenhouse gas emissions?- Marina Brown, New York, NYMost of us can By Admin / 5 Oct 2015
Columns How companies can reduce their paper usage Dear Earthtalk: My company talks the talk when it comes to the environment but could do so much more to reduce paper use. Do you have any tips to help By Editor / 14 Sep 2015
