Clean Choices?!

In these days, when mankind is so dependent on energy, it is essential to seek new ways of producing energy without pollute or affect our planet. The way how we get most of our energy is polluting our planet, and exhausting his already limited resources. A dramatic shift is taking place in government energy policies, mainly in developed countries. We have many ways to produce clean energy without exhausting the resources:

- - Solar power (converting the light of the sun into electric energy using solar cells);
- - Biomass ( biological materials that contains stored solar energy that was absorbed in photosynthesis);
- - Wind Power ( made by using airflows to run wind turbines and turn on the generator that produce energy);
- - Hydropower (the use of moving water energy which the operation a various machines allow the production of energy)
- - Geothermal energy ( extracting the energy of Earth's heat).

We have more sustainable ways to produce energy, but this ones are the mainly ones. The investment in clean energies is increasing, but is not sufficient to rebalance de exploration of the planet's resources. “All we have to do is stop chilling the Earth and start looking to the sky”

Source:

http://www.alternative-energy-news.info/technology/wind-power/

http://en.wikipedia.org/wiki/Renewable_energy_source

http://www.greenfacts.org/en/energy-technologies/index.htm

http://en.wikipedia.org/wiki/Hydropower

Quotations from the film HOME by Yann Arthus-Bertrand.

World's secret weapon against global warming

These days, the mass media is filled with information on the climatic changes, whether it’s causes, consequences or the role of Man in all of this. However accurate the media is, I believe that they should dig a bit more on the solutions for these catastrophic events.

As most people know, industries are a primary source of greenhouse gases, mainly carbon dioxide. Nevertheless, it is not so known that agriculture is also a primary source of C0₂, the principal constituent of greenhouse gases. So, if my line of thought is correct, if you reduce C0₂ emissions from agriculture, you will be fighting against global warming.

Through photosynthesis, plants absorb carbon dioxide from the air and make it part of their structure and eventually the soil’s too. When you till crop land, you release carbon to the atmosphere which then binds to oxygen and forms C0₂ again.

So, if you farm organically without plowing and use winter cover crops you will aid the absorption of carbon dioxide (organic farms take up 30% more C0₂ than the regular ones), the reduction of its emissions and preservation of a healthy soil. Organic farming also improves yields and quality of food, thus helping human’s health too.

In conclusion, the use of organic farm in our lives is a raw win-win situation that will help is the fight against global warming and will also gives more and better food supplies which contribute to healthier humans.

http://www.quantumshift.tv/v/1181028043/

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Agriculture

Agriculture Food production consumes a lot of water. Agriculture accounts for 24% of water abstraction in Europe.

The water is returned to the water body, is normally less than one-third. And yet, the use of agricultural water is not balanced. In some regions of southern Europe, agriculture is responsible for more than 80% of water reduction. And, the uptake is further more intense in the summer, a time when there is less water available, which exacerbates the negative impacts.
The UE finances the agriculture in the meaning of reducing water abstraction and in contrast the farmers use that money for extreme irrigation, there’s not a close call on the laws against that and the farmers use that to their benefit but for that who suffers is the people in those regions .
What can be done? The price of water is the main mechanism to encourage levels of efficiency that simultaneously addresses the economic, social and environmental needs of the surrounding societies. Studies show that if prices reflect actual costs, if the extraction is monitored effectively and if the water is paid by volume, farmers will reduce irrigation and will invest in measures to improve efficiency in water consumption.
The national and Community aid can provide additional incentives to adopt techniques of water saving. With some incentives the farmers only have to do their part.

Anex:in Cyprus, severe water shortages in 2008 necessitated importing water using tankers.
InTurkey's abstraction for irrigation much of it drawn from illegally drilled wells,has severely reduced the surface area of the country's second largest lake, Lake Tuz.

sources: http://www.eea.europa.eu/