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Managing the mosaic
01 April 2007US environmental commodity markets are growing, but are fragmented, and likely to remain so in the near term. Success will require coming to terms with their complexity, argue Bob Shults and Reiner Musier
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Time for a new energy paradigm
01 April 2007Martijn Wilder and James Cameron argue that, for renewable energy to play its full part in the battle against climate change, new ways of thinking about energy supply are required – supported by new approaches to policy
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No time to wait
01 April 2007Attempts to forge a post-2012 climate agreement are grinding on – but rich countries must not wait to put the foundations of an agreement in place, argues Brice Lalonde
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All along the chain
01 April 2007REC Group's integrated approach to the solar value chain could position it as the Standard Oil of the sector. Elizabeth Block reports
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Raising the roof
01 April 2007For many customers, high up-front costs rule out installing solar PV systems. But, as Jess McCabe reports, innovative financing packages are changing the economics of solar energy
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Warm glow for solar stocks?
01 April 2007The solar sector can expect continuing support from policy-makers, but non-financial barriers remain an often-overlooked issue, says Michael McNamara
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Following through on climate promises
01 April 2007The TXU deal represents a sea-change in how Wall Street views carbon risk. But transparency, accountability and – ultimately – delivery are now crucial, say Jon Sohn and Smita Nakhooda
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Restraint creeps in
01 April 2007Venture capitalists remain bullish about the cleantech sector, but notes of caution are increasingly heard. Trevor Curwin reports from San Francisco
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Turbine shortage looms large
01 April 2007The rapid growth of the wind energy sector is putting pressure on turbine supply. Candida Jones reports on how developers are tackling the problem
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Bank of America praised for environment plan
01 April 2007Environmental groups are praising Bank of America (BoA) for its $20 billion, 10-year environmental programme, and hope it will put pressure on its competitors to follow.