[International Herald Tribune] We would all like to live in a pollution-free world, but investment opportunities in emission-free renewable energy might not be as sustainable as interest in the sector would lead us to believe. The Merrill Lynch New Energy fund has posted stellar returns, with gains of 56 percent in the 12 months through Sept. 30. Poppy Buxton, a portfolio manager of the fund, attributed the performance to higher oil and natural gas prices, as well as growing concerns about climate change and energy security. She cautioned, however, against investing in renewable energy based on mood and macroeconomic data alone. For the full article, use the following link.