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10 big energy myths

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Renewable energy versus conventional energy. The myths are abundant and grow like vegetables in a greenhouse. Take a hike through the carbon jungle and find out what’s right or wrong. By Michael von Bülow 23/01/2009 09:55 http://en.cop15.dk/news/view+news?newsid=577 Myth 1: solar power is too expensive to be of much use.Today’s bulky and expensive solar panels (solar cells, also called photovoltaics or PV) capture only 10 per cent or so of the sun’s energy, but rapid innovation in the US means that the next generation of panels will be much thinner, capture far more energy and cost a fraction of what they do today. First Solar, the largest manufacturer of thin panels, claims its products will generate electricity in sunny countries as cheaply as large power stations by 2012. Other companies are investigating even more efficient ways of capturing the sun's energy, for example the use of long parabolic mirrors to focus light on to a thin tube carrying a liquid, which gets hot enough ...
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One man’s trash is another man’s problem

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Don't Bug Out: How to Get Rid of Pests without Pesticides

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Don't Bug Out: How to Get Rid of Pests without Pesticides Posted on May 1, 2009 0 Comments Source: http://blogs.nationalgeographic.com/blogs/thegreenroom/ It's not just baby animals that emerge in spring: A whole host of insects that can eat you out of house and home also come out of the woodwork. Applying indiscriminate amounts of pesticides used to be the norm, but more environmentally sensitive ways to combat pests have cropped up in recent years. Here's a primer for how to take on the toughest bugs: Cockroaches First of all, make sure your kitchen and the areas underneath your sinks are completely clean, with no food bits that would lure roaches. One of the most effective natural control methods for roaches is boric acid--a white, organic powder that is deadly to these insects, but is no more toxic than table salt to humans. Most people apply the treatment wrong. For the powder to work, it has to be laid in a very thin layer on the area where the roaches walk. The key,...
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Study: Bioelectricity bests biofuels on miles per acre

Source: http://news.cnet.com/8301-11128_3-10236473-54.html?part=rss&tag=feed&subj=GreenTech Growing plants to make electricity is a more efficient and environmentally sound way to power vehicles than biofuels, according to a study meant to spark a debate over energy policy. The study's authors modeled how far different classes of cars could go based on the available energy from a unit of land and found that bioelectricity--burning biomass to make electricity--far outperforms ethanol. The paper, published on Thursday in Science, found that bioelectricity delivered 81 percent more distance per unit area of crop land than ethanol. Greenhouse gas emissions per area of land were 100 percent less than cellulosic ethanol. (Click here for PDF of results.) In one example, they found that a small truck powered by bioelectricity could travel almost 15,000 miles compared with 8,000 comparable miles for an internal combustion equivalent. Click on the image to see how bioenergy and biofu...
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Welcome to Maavahi Blog

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To update the events of Maavahi & to fulfill our obligation to update the active members of the organisation, the new executive board has created a blog where members can comment on the subjects, activities and share their thoughts. I urge all members to engage in constructive discussion in this blog. Thank you and hope for your constructive engagement. Ahmed Nadeem Chairperson
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