The leading American effort to capture carbon dioxide from coal plants has hit a stumbling block that could imperil the project and set back a promising technology for addressing global warming, people involved in the venture …

From California to New Jersey, the summer sun was hot this year — and so was the solar industry. While the business of solar energy is still small enough and young enough to record firsts at …

BEIJING — China in recent years established global dominance in renewable energy, its solar panel and wind turbine factories forcing many foreign rivals out of business and its policy makers hailed by environmentalists around the world …