terrapass

Y Combinator-backed Project Wren is aiming to make carbon offsets more consumer friendly

When Landon Brand and Benjamin Stanfield graduated from the University of Southern California this year, they already had the plans for Project Wren, their service for selling carbon offsets to a new

A Startup That Fights Global Warming

<a href="http://www.zerofootprint.net"><img style="float:left;" alt="" /></a>I met with Canadian startup <a href="http://www.zerofootprint.net/">Zerofootprint</a> during my trip to Toronto last week f