China, maker of 70 percent of the world’s lightbulbs, has followed Australia’s example and agreed to phase out incandescent light bulbs in favor of more energy-efficient compact fluorescent lights (CFLs).

The California-based nonprofit Rainforest Action Network (RAN) launched a new campaign last week, trying to influence financial sector powerhouses Citi Group and Bank of America to shift their investments away from coal and other dirty-energy projects and toward clean energy alternatives.

A study by University of Colorado researchers published last week in the journal Proceedings of the National Academy of Sciences shows a definitive link between fertilizer and pesticide run-off from farms and ranches and horrible deformities in frogs.

As part of its larger push to green all of its operations, Wal-Mart has teamed up with the nonprofit Carbon Disclosure Project (CDP) to measure the amount of energy used—and greenhouse gases emitted—throughout its entire supply chain, not just at its own facilities.

Boston, home of the "Freedom Trail," a collection of historical sites from the city’s colonial days, offered freedom of a different kind at the AltWheels Festival, held at City Hall Plaza the weekend of September 28 and 29. A tour around the booths gave visitors a vision of energy independence, with a healthy dose of activism, politicking, veggie wraps, barbeque, folk rock and quirky concept cars thrown in.