Medford dedicates new wind turbine. The 131-foot wind turbine is the first commercial-scale wind turbine to be installed at a municipal school in Massachusetts. It will be online Feb. 5 and will supply 10 percent of the school’s electricity, saving an estimated $25,000 a year. [News Source]

Electric car returns energy to the grid. The battery in this new breed of electric car can both give and receive, taking a charge and then, through the same electrical cord, sending some of its stored energy back to a hungry electricity grid, as needed. [News Source]

Textile businessman spins a green revolution. The mission, started alone by Amdavadi Deepak Arora, to plant and maintain 10 lakh trees and fight global warming, has now around 80 people joining in. In a year, he has planted more than thousand trees and 80 per cent of these trees are alive. [News Source]

Businesses join ‘climate-neutral’ program. North Bay businesses are opting to pay extra on PG&E utility bills to “zero out” the greenhouse-gas emissions attributed to their operations. Critics assert PG&E should produce more green energy instead. [News Source]

Geo-engineering: ‘Seeding the oceans would take thousands of years’. Greenhouse gases can be trapped deep in the ocean by iron-fertilised algae, scientists say, as an experiment to test its effectiveness gets the green light. Audio. [News Source]

Sanders, Mckibben urge move to sustainable future. The economic crises present a very narrow window for gradual transformation to a new global economy, environmentalist Bill McKibben said during an appearance with U.S. Sen. Bernard Sanders, I-Vt. [News Source]

Insecticide chemical is a powerful greenhouse gas. We hear a lot about carbon dioxide as a greenhouse gas. But there are other chemicals that trap heat and contribute to global warming. The insecticide Sulfuryl fluoride is four-thousand times better at trapping heat than carbon dioxide. [News Source]

Freezers produce 25% of supermarkets’ carbon footprint. Supermarket fridges and freezers are environmentally unfriendly, spewing out bad gases that make up more than a quarter of the companies' total carbon footprint. [News Source]

Poor diet puts the planet in danger. As a taste for sugary drinks and fatty foods feeds chronic disease and obesity, a health group is warning that poor dietary decisions also endanger the planet. [News Source]

Diversity in diet is key, new health report finds. The Public Health Association of Australia is calling for a new national food policy, taking into account disease prevention, sustainability and social equity. [News Source]

Mapping earth’s CO2. A satellite designed to help generate the first detailed, time-resolved global maps of carbon dioxide sources and sinks is slated for launch on Feb. 23. Knowing where and when CO2 is being emitted and taken up, scientists may be able to understand how the gas influences climate change. [News Source]