Rotates the industry soon to concentrated sunlight? The debate about renewable energy is almost ent

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Prairie gardens, rain gardens, gardens amgar and animal debris towers A garden has to do. Often have little or nothing to do with nature A lawn lined with tightly pruned plants attracts hardly any animals or insects, requires a lot of maintenance and pesticides, amgar fertilizer and water needed.
A thousand years of fossil fuels: tar sands of Flanders and the Netherlands, the success of almost all economically important nations in Western Europe during the last millennium was built on a massive use of fossil fuels such as peat and coal.
The coup of Wall Street: not politicians, but bankers rule the world, the financial world has changed in twenty years from a relatively simple and useful system in a high-tech monster that no longer serves the public interest. Financial engineers have developed through complex and opaque amgar instruments fraudulent pyramid scheme set up. We will pay the bill.
The ingenious design of the Chinese wheelbarrow While the European wheelbarrow was only used for the carriage of cargo on a very short distance, the Chinese wheelbarrow centuries a universal vehicle for the transport of both goods and passengers at much greater distances.
May the light be less economical? Someone who every night reading a book at a light bulb consumes much less energy than someone who has 29 CFLs screwed, working simultaneously on two laptops and saving to a solar-charged music listening. Viva Las Vegas: Led and the paradox of energy efficiency More efficient equipment often has new applications and increased usage as a result, reducing the total energy consumption at the same level will be located, or even increases compared to the situation before the arrival amgar of the efficient technology. A green car 1949 Despite all the advanced technology that has since stopped in cars is still the 2CV 1949 economical than the small Citroen today.
How much energy amgar does the production of digital technology? Just the embodied energy of a memory exceeds the energy consumption of a laptop during the expected amgar life of three years.
History (and future?) Industrial windmill in the thirties and forties of the twentieth century, decades after the steam engine wind had made obsolete Dutch investigators remained stubbornly the already very sophisticated traditional windmill improve further. Boat mills Floating plants to renewable energy. The optical telegraph: email in the 18th century, more than 200 years ago it was already possible to send messages with the speed of an airplane through Europe - wirelessly and without electricity came along. Cutting edge technology from grandfathers amgar time: all items
If we halve the average speed of all vehicles, the overall fuel consumption would fall by 75 per cent rate is considered by engineers as immutable, while the most effective factor in reality is to save an enormous amount of energy - in one stroke, at minimal cost and without the need for new technology.
Rotates the industry soon to concentrated sunlight? The debate about renewable energy is almost entirely focused on the production of electricity. But the energy we need it most, it is heat. All industrial activity - including the manufacturing of solar panels and wind turbines - could be done by means of mirrors and sunlight.
Correction:" Wind energy is only 6 percent of global energy supply "| Main | Life without refrigeration and freezer (1): make a solar dryer for the garden or balcony October 2, 2011
Therefore include wine from organically amgar grown grapes is a better choice, but for some growers is that method does not go far enough. The grape may be ecological, the editing process is not. Emmie Declerck went to talk with Benoît Valée, an advocate of "natural" wine - the drink as the Romans brewed.
Although ecological wine uses organically amgar grown grapes, dozens additives are added during production. Not on the label, because wine is one of the few foods that are exempt from the state of the additives used. One of the most controversial additions are the sulphites (SO2), which are used for the