Mercury rising.

With the close of HgCapital's €300 million renewables fund, Tom Murley is bringing clean energy to the investment mainstream. Christopher Cundy reports

Raising the bar

While mandatory carbon markets are governed by strict rules and regulations, the voluntary market can sometimes seem like a free-for-all. Mark Kenber looks at efforts to ensure that reductions pass muster

A trillion-dollar marketplace

Taken together, environmental commodities markets have a 'market cap' of almost $1 trillion, say Gareth Phillips and Assaad Razzouk

Energy ministers back efficiency plans

European energy ministers agreed in late November to support the European Commission's proposals to reduce energy waste by 20% of current levels by 2020.

Best in show

Companies pre-eminent in disclosing climate-sensitive information are rewarded with a place in the Climate Leadership Index. Christopher Cundy speaks to the leaders and asks what the accolade brings to their businesses

The drama unfolds

It's been a dramatic few weeks or so, in the debate around climate change in general, and emissions trading in particular. The period began, on 30 October, with the much-anticipated release of the Stern Review. This 575-page report, commissioned by the UK Treasury and written by a former World Bank chief economist, has transformed the debate about the economics of climate change.

Progress, just about

As the warnings from the climate scientists become more high-pitched, the talks on extending the international climate regime continue at a low drone. So what comes next? Mark Nicholls reports from Nairobi

Leading the way

Few details have yet emerged as to how California's regulators are to implement the state's ground-breaking climate change legislation. Jason Patrick considers some of the issues they – and market participants – face

A statement of intent

Investors are increasingly aware of the impact of climate change on returns. But how should they respond to the ­challenge? A new investor initiative aims to show the way, say Stephanie Pfeifer, Rory Sullivan and Mark Kenber

Tracking down the data

Companies are working overtime to get a better understanding of their environmental impacts. Vijay Gudivaka looks at the growing market for more effective environmental data management