What would you do if your doorbell rang on Halloween and instead of saying “trick or treat!” your visitors handed you a new, curly-cue light bulb (or two)? This year’s Halloween saw an event that was a brand new take on the usual compact fluorescent light bulb canvasses that the CEA hosts.  We are thrilled to see that this creative event went off without a hitch, and that it has set a great precedent for following years!

Please see below for the post featured on the Green Medford blog:

A group of us from Green Medford and Fletcher Green (a Tufts graduate student group) trolled the streets around the Columbus School last night–Halloween evening–handing out bags of treats to delighted and laughing residents at 84 addresses. People… [view entry]

The Cambridge Energy Alliance has participated in many CFL exchange canvasses. On a chosen day, we and volunteers head out into neighborhoods and knock on doors, offering to give an equal number of CFLs for the number of regular light bulbs a household will hand us. As a special treat with Halloween approaching, Green Medford has announced an event that is a new take on this idea.

From the Green Medford blog:

Hi all! I want to share with you a very fun idea and ask for your help in making it a big success!

We’re calling our event “Reverse Trick or Treat,” thought up by JR Siegel, a student at the Fletcher School and a Medford resident. The idea is for a bunch of residents to… [view entry]

On March 6th, 84 residents at Peabody Terrace participated in an incandescent light bulb swap for compact fluorescent bulbs. Residents received one free CFL for every incandescent bulb they turned in—over 200 efficient CFLs found homes. The CFLs were provided by the Cambridge Energy Alliance and Harvard Real Estate Services (HRES). HEET, CEA, and HRES organized the promotion and logistics of this successful competition.

During the swap, residents learned about other ways to cut their carbon emissions—seasonable tips also available—and many signed up for a two-month long competition to see who can reduce them the most.

The results are in!

Apartments reduced their electricity use by an average of 11%
The top six winners reduced their electricity use by 30%
And the first place prize winner reduced electricity

… [view entry]

Eleven Cambridge companies were certified as “Sustainable Business Leaders” on Thursday April 1, 2010, for completing the Sustainable Business Leader Program (SBLP)—a program of the Sustainable Business Network (SBN) that provides guidance, support and technical assistance to facilitate the “greening” of small and medium-sized businesses. The special certification ceremony, which was held at the Cambridge City Hall Annex, was co-sponsored by the City of Cambridge, Cambridge Local First and the Cambridge Energy Alliance in partnership with the Sustainable Business Network.

The first Cambridge graduating class included:

Cambridge Naturals, 1369 Coffee House, Veggie Planet, Stone Hearth Pizza, Irving House, Greenward, Harvest Co-Op Markets, Harvard Bookstore, The Fishmonger, Cambridge Brewing Company and Economy Hardware.

Graduates earned their SBLP… [view entry]

On Sunday, February 21, eighteen volunteers participated in a community canvass campaign to spread awareness about simple home improvements to save money, energy, and the planet. The event organized by the Home Energy Efficiency Team and the Cambridge Energy Alliance sought to help cut carbon emissions in East Cambridge through a CFL light bulb exchange.

Exchanging incandescent light bulbs for compact fluorescents is one of the easiest and effective ways to reduce energy use at home. A compact fluorescent light bulb (CFL) will save about $30 over its lifetime and pay for itself in about 6 months. It uses 75 percent less energy and lasts about 10 times longer than an incandescent bulb. If every Massachusetts household would exchange just one incandescent light bulb to an energy saving CFL,… [view entry]

This past Sunday, August 9th, 24 Community members traveled door to door in the Riverside neighborhood of Cambridge distributing free energy efficient compact fluorescent light (CFL) bulbs and efficiency resources to hundreds of homes. These volunteers exchanged a total of Four hundred and forty-two CFL bulbs over the course of four hours, the equivalent of saving 132,000 pounds of carbon dioxide emissions from being emitted into the atmosphere per year. A great Success!

This community event, organized by the Cambridge Energy Alliance (CEA) and the Home Energy Efficiency Team (HEET) , was held in order to help residents lower their home energy consumption and cut carbon emissions in Cambridge. The HEET organization regularly participates in community barn raising events to help Cambridge residents lower their carbon footprint by implementing… [view entry]

With energy savings of up to 80% over Halogen, retrofitting your MR16 track lighting with LEDs would seem to be a no-brainer. The problem is, well, it’s complicated. The prices on this type of lighting are falling fast, and the bottom line is; making a big investment now might not make sense.

According to Wikipedia, there are few standards for MR16 and MR11 compatible LED lamps, and with a large variety of designs varying significantly in beam control, light quality, efficiency and luminous power, getting the right light for your model of track lighting may be difficult. Or impossible. Most LEDs run on DC current; halogens most often run on 12 volt AC current. So your bulb will need to have an integrated rectifier.

If this is… [view entry]

Wireless Electricity (or the concept) has been around since 1890 when Nicholas Tesla built a 200 ft, 100,000 watt tower that sent 130 ft bolts into the sky and turned the grass blue. Now, thanks to MIT Asst. Professor and 2008 MacArthur Genius Grant Winner, Marin Soljacic, wireless electricity is close to reality. And it’s greener than you think:

But wireless technology is not only neater (say good-bye to the power-strip Medusa under your office desk), it’s cleaner. The EPA says Americans purchase a total of 3 billion disposable dry-cell batteries every year (part of a worldwide market of about 15 billion) and then throw 2.8 billion of them into landfills. Wireless systems are designed for rechargeable batteries that can be reused hundreds of times before they become trash.