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Global pressure on rare metal supplies, plus smarter lizards through climate change.
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Fuel protests in Africa, glaciers on the Equator and birdsong in an office.
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Available since Fri, 27 Jan 2012.
Texas suffers its worst drought ever, plus conservative conservation and renewable layoffs
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Stormy reaction to the EU's new carbon tax on planes, plus environmental loopholes.
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Available since Thu, 12 Jan 2012.
The campaign to revive the Los Angeles river - from concrete stormdrain to natural habitat
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