The UK government is hoping to achieve part of it's renewable energy production mandate by harnessing the tidal power of its largest river. Opponents say the plan could destroy the river's ecosystem.
Nov 28, 2009 Living on Earth
Drawn to the Galapagos Islands by their booming tourism industry, thousands of poor Ecuadorians are being booted from the sensitive ecosystem to counteract the negative impact of the rising human population.
Oct 7, 2009 The New York Times