Category Archives: Energy Saving


Plant-e, or how to produce electricity through the plants

Plant-e, or how to produce electricity through the plants

A Dutch company intends to produce electricity by installing electrodes on the ground full of water where plants adapted to this type of growing medium. Although efficiency is still weak, this invention called Plant-and could transform the rice electricity production units.

A paddy day and night could produce enough electricity to power a remote village in Southeast Asia. This dream takes shape in the Netherlands, where scientists develop a system that generates power by plants growing in media saturated with water.

Founded in 2009, Plant-e markets and perfects an imagined by scientists at the University of Wageningen and patented in 2007.

This device produces electricity by little it is through plants growing in a water-saturated medium system, a large scale, such as in a rice field or a jar filled with water in the garden could be a quite effective method.

The technology relies on photosynthesis by the plant and used by which this occurs specifically organic matter. The surplus is removed on the ground by the roots, through which live microorganisms that feed and release electrons. Placing electrodes carbon close to the roots, these electrons can collect and generate power.


Samso, the Danish island of green energy

Samso, the Danish island of green energy

The Vikings, master of the winds, made this island in the middle of Denmark, a strategic place. They built a canal and a castle, from where they controlled the security of the island. Their descendants planted the masts of the wind on land and on water.

Samso today noted for its clear commitment to green energy. Its electricity comes from wind fighting on the island without a break, and heat from the sun, wood or straw. But still he wants to go further, eliminating fuel fossil their transport.

From the airport of Copenhagen, take the train to approach the coast, before embarking on one of the two daily ferries to the island 28 km long and 7 km at its narrowest part. Approaching the coast, sunset, ten perceive turbines placed on water. After eleven blades mills wind scattered over the low houses with thatched roofs.

This is how Samso has changed the course of their destiny. “It all started in 1997, has Michael Kristensen, a former carpenter converted to alternative energies. The Danish government started racing five islands, with a roadmap: to become self-sufficient in ten years, thanks to a 100% renewable resources. Our project won”.


France decreed that new roofs should be covered by plants or solar panels

France decreed that new roofs should be covered by plants or solar panels

All new buildings in commercial areas around the country must meet a new legislation for the environment, and this is that they should be partially covered by plants or solar panels under a law that was passed last Thursday.

Green roofs cause an insulating effect to help reduce the amount of energy required to heat a building in winter and cool in summer.

They also retain rainwater which helps that collect in their leaves, except that also promotes biodiversity and gives the birds a place to build their nests in the urban jungle.

The law passed by parliament has been more limited than initially wanted activists in environmental wanting the whole entire surface of the new constructed buildings cover. The Socialist government activists convinced that the only limit is made in the buildings of shopping areas.

The other option they have planted new buildings in commercial areas is that instead of placing plants, can choose to install solar panels to produce electricity. And what would these green roofs are quite popular in other countries like Germany and Australia , and even in Toronto, Canada City, where a new law enacted in 2009 that required in new buildings for residential and industrial purposes.

Some green roofs that give another color to the gray that dominates the city and that takes part of that same color of life that makes both these fa├žades lack coloring horizon lines and those that are lost among skyscrapers and tall buildings. A decree which we hope will spread over countries like our own. Greener Madrid is needed. We expect changes.