The Treety socks.

• Author: Peterson, Eric
• Position: COLORADO COOL STUFF

Stu Barwick has been working as a solar consultant since 2009, but has strived to make a bigger difference since calculating the methane impact of cows. "It ended up being incredibly depressing," he says of his math: 200 kilowatts of solar offset just one cow for a year. The 300-kilowatt setup at the Colorado Convention Center? "A cow and a half," laughs Barwick. To up his impact, he started The Treety, which donates enough profits for every pair of socks sold to plant about 10 trees in deforested areas from India to South America. Made in North Carolina, Barwick digs deep coming up with his socks' clever names. The water...