Chicago Tribune: Seventy percent of major companies plan to boost spending on climate-change efforts in the next two years, according to a study from Ernst & Young. Of the 300 corporate executives surveyed this spring, 89 percent said their green activities were driven by changing customer demands, while 92 percent also pointed to energy costs as a driver. In addition, 43 percent of those surveyed said that equity analysts will soon consider climate-change actions when valuing …