Analysis

• Following through on climate promises

  01 April 2007

  The 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

• Restraint creeps in

  01 April 2007

  Venture capitalists remain bullish about the cleantech sector, but notes of caution are increasingly heard. Trevor Curwin reports from San Francisco

• Turbine shortage looms large

  01 April 2007

  The rapid growth of the wind energy sector is putting pressure on turbine supply. Candida Jones reports on how developers are tackling the ­problem

• The lull before the storm?

  01 March 2007

  As 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

• Carbon credits prove elusive for biofuels

  01 March 2007

  There is still no system to allow developers of biofuel projects to trade in carbon emission reductions, says Caitlin Randall

• Bubble or no bubble?

  01 March 2007

  Comparing 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

• The public face of private equity

  01 March 2007

  For a section of the financial world that prefers – by definition – to operate as far away from the public gaze as possible, the private equity business has recently been attracting some unwelcome attention.

• All-out auctions?

  01 March 2007

  New York's bold proposal to auction all allowances under its proposed carbon trading programme raises crucial questions, says Roman Kramarchuk

• Liability and litigation

  01 March 2007

  The stage is set for a soaring environmental insurance market in Europe, but uncertainties remain on the implications of key EU legislation, reports Christopher Cundy

• Putting a premium on emissions

  01 March 2007

  The carbon markets are immature, risky and uncertain – and there is a desperate need for insurance solutions. Julian Richardson looks at how insurers are beginning to step up to the challenge