Debating the environmental merits of the competing technologies.

Recycled art comes to life in Glassphemy, where Brooklynites smash glass en masse.

The health differences may be more dramatic than you thought.

While there has been rebirth in Louisiana, including an historic effort by Rebuilding Together, there is still much work to be done. Compare to photos two years after the storm.

Two stories of unintended consequences.

Hunting for more than bargains at the Brooklyn Flea.

How destructive will the 2010 hurricane season be? Keep your eyes on these five critical factors to find out.

It's still unclear whether this one, like the BP oil spill, will produce a huge gusher.

Putting eco friendly running shoes to the test.

From the Gulf Coast to Joshua Tree National Park, and from Bristol Bay to the state park next door, some of America's cherished vacation destinations are at risk.

Also see TDG Senior Editor Dan Shapley discuss this story on ABC News and check out 10 Endangered Vacations: 2009 Edition

From packing healthy lunches to affordable green school supplies, start this year off right.

The hidden health threat (and $100 billion annual cost) in the gasoline we pump into our cars.

Rebuilding Together's Fifty For Five effort gives 50 affected families revitalized homes.

The controversial conservation strategy touches on many issues.

What you need to know about radiation exposure, cancer and mammograms, CT scans and x-rays.