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August 15, 2011
Are you one of us who struggle to choose the right bulbs for the rooms? Is it time to replace old incandescent bulbs with LEDs? There are fluorescent bulbs, too. What is Halogen? Here is an extremely thorough review for almost all types of lighting products by someone who actually tried a lot of them at his home. Click.
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category : Topics
August 15, 2011
C.F.L.’s or compact fluorescent light bulbs, require one-quarter the energy from coal-fired power plants that incandescents do.
However, light bulbs are so easy to break. The amount of mercury contained in a C.F.L. is roughly equivalent to the amount of ink on the tip of a ballpoint pen and about one-fifth the amount in a watch battery, the council’s paper says. But the bulbs can leak mercury vapor when broken, so ventilation is important when cleaning a broken bulb, the council says in its paper.
Some manufacturers now produce C.F.L.’s with protective coating; the EcoSmart Shatter-Resistant C.F.L. is one example.
So for those proceeding with caution on C.F.L.’s, the light is now green.
Read the in The New York Times.
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category : Topics
August 12, 2011
Danny Hess of San Francisco loves riding the waves, but he hates that many surfboards are made of nonrecyclable materials and must constantly be replaced. He left his job as a building contractor to devote himself to the problem.
For his environmentally friendly and long-lasting surfboards, he uses reclaimed and sustainably harvested wood, recycled cork, and nontoxic and recyclable foam.
Click here to see the slides.
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category : Topics
August 12, 2011
The economic downturn means organic farmers are less likely to reap rewards of premium prices for their produce
Farmers across the UK have been deserting organic farming, or holding back on plans to convert their land to more environmentally friendly farming methods, as sales of organic products have fallen in the economic downturn.
The rapid decline in interest from farmers is not yet reflected in the amount of land in organic production overall in the UK, which has risen slightly. It takes several years to convert land from conventional production to organic production, in part because of the need to stop using fertilisers and pesticides that may still be present in the soil.
What the figures show is that this is not being replenished by new farmers coming on board. As the decline in farmers entering organic conversion feeds through, the overall figure for organically farmed land is likely to stagnate or fall.
Read the article on The Guardian.
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category : Events
August 5, 2011
Philips, the Netherlands-based consumer electronics giant, is now $10 million richer, having just won the L Prize, awarded by the federal Department of Energy in a contest to invent the next generation of solid-state lighting.
Philips’s prize-winning bulb uses just 9.7 watts to match the light output of a 60-watt incandescent. It lasts 25,000 hours, compared with 1,000 to 2,000 for an incandescent.
Read more on The New York Times.
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category : Topics
