- Portland Leads the Way in Preparing for "Peak Oil"
- Costa Rica Aims to Become the First "Carbon-Neutral" Country
- Shark Overfishing May Lead to Scallop Losses
- Population Projections Assume Lower Fertility, Greater Control of HIV
- As Poaching Rises, DNA Analysis May Be Critical for Elephant Conservation
- Chinese Air Pollution Crosses Pacific to Western U.S.
- Europe's First Concentrating Solar Plant to Light Up Seville
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