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Biofuels and the future
01 July 2007In the space of 12 months, the biofuels industry has gone from climate saviour to environmental scapegoat. But it has a crucial – and sustainable – role to play in tackling climate change and energy insecurity, says Ron Oxburgh
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The unlikely revolutionary
01 July 2007Ray Pospisil talks to GE's Kevin Walsh – the man responsible for building one of the world's largest renewable energy investment portfolios
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Between innovation and scale
01 July 2007The water sector does not offer the paradigm-busting innovations beloved of venture capitalists, or the scale favoured by private equity investors. So new investment strategies are needed, says Christoph Lueneburger
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Turning on the taps
01 July 2007Despite the size of the world's water sector – and the scale of its investment needs – opportunities for exposure to the industry have been limited. But, as Charlotte Steel reports, a flood of new water funds is coming to market
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Testing the limits of trade
01 July 2007As climate change threatens to increase the variability and unpredictability of rainfall, Australia's experiences with water trading could be invaluable, says James Bentley
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Adding up the numbers
01 June 2007Matthew Arnold considers how sustainable banking has moved from a sideshow, to a risk management issue, to a major business opportunity – and looks at how Citigroup came up with its $50 billiion pledge
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Circling the Equator
01 June 2007Some banks appear to be dodging their commitment to the Equator Principles, says David Barnden – but it's proving difficult to hold them to account
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The beginnings of a plan
01 June 2007Canada's new emissions plan may be tougher on industry than many environmentalists claim. But more will clearly be required across all sectors of Canadian society, says John Drexhage
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Cap and trade and more
01 June 2007Pressure is building for a federal cap-and-trade scheme in the US to tackle greenhouse gas emissions. However, such a scheme is a necessary, but not sufficient, condition for addressing the climate challenge, say Michael Northrop and David Sassoon
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A?question of credibility
01 June 2007Asincere change of heart, or merely the latest cynical delaying tactic? Environmental NGOs are in little doubt: George Bush's apparent volte face on an international effort to tackle greenhouse gas emissions (see page 4) is, in the words of Friends of the Earth, a "charade". WWF argues that it "casts a long dark shadow over the G8 process".