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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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The lull before the storm?
01 March 2007As far as natural catastrophes are concerned, the insurance industry – and the planet – got off lightly in 2006.?But the world's largest insurers warn that worse is to come. Jess McCabe reports
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Carbon credits prove elusive for biofuels
01 March 2007There is still no system to allow developers of biofuel projects to trade in carbon emission reductions, says Caitlin Randall
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Bubble or no bubble?
01 March 2007Comparing the Nasdaq with an index of clean energy stocks might reassure investors fearing a renewable energy bubble. But irrational exuberance might still undo the unwary, says Michael Liebreich