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Toxic lead levels found in used consumer products
The battle over tanking ethanol subsidies
Surgical anaesthesia is eating the ozone layer, study says
SpaceX Dragon launch set for Thursday; private space flight's next step
Europe's cleantech firms eye young U.S. market
SpaceX's Falcon 9 reaches orbit, returns to Earth safely
Pew: $546 billion in renewable energy investments at risk
It's a bird! It's a plane! It's both!
GE hits $6 billion target for renewable energy investments
Can the private sector save public parks?