Solar power has resuscitated a central California school music program.
Anti-urbanists argue that density is pushing low-income people out of cities. Alex Steffen schools them in the basics of supply and demand.
Ikea plans to get 100 percent of its power from clean sources by 2020, part of a new sustainability plan backed by a $2.4 billion investment.
The American Academy of Pediatrics weighed in for the first time on the conventional vs. organics debate. Their conclusion: Stuff your kids full of organic veggies.
Agriculture land prices have been posting double-digit gains for years. Should we use the word "bubble?" Everyone else seems to be.
The big donation from hedge-fund manager John Paulson will increase Central Park's endowment by a third and fund park improvements.
Bright lights, big urban changes, Las Vegas style, from the $350 million "Downtown Project" experiment.
"Tree culture" contributes to the strength of our communities -- but which trees, exactly?
Best-selling novelist Jonathan Franzen endorses Barack Obama, citing his environmental track record.