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S'estan mostrant les entrades d'aquesta data: novembre, 2014

Coal, a drug for mankind very difficult to leave

Imatge
Published in Linkedin: Coal, a drug for mankind very difficult to leave (28/11/2014) If someone asks for jobs with less future, probably in all lists would write the coal mining . Coal has historically generated many jobs, however mechanization has been declining number of employers; but in many parts of the developing world is still mining, sometimes in border on slavery, which is feeding (bad eating to be exact) many people from earliest childhood. Now a danger is hovering over this form of living. Although coal will remain nearly 300-year to explode with current consumption, but the need to reduce CO 2 emissions questions the continuity of this mining. Coal was the engine of the Industrial Revolution . The steam machines from the eighteenth and nineteenth centuries moved thanks to black stones that we could burn. But the twentieth century discovered a new fuel: the Oil , which was more manageable, easy to get and it has more potential uses. Later he appeared a third co...

Is fresh water ending in the World? No, but we've got problems

Imatge
Published in Linkedit: Is fresh water ending in the World? No, but we've got problems Current humanity has got enough knowledge and technical to convert salt water into fresh water. Global water doesn’t change its amount, and sea water we can convert in continental water as we want. But there is a little problem: is expensive. Water is the most abundant mineral in the Earth's crust, as I said in “ Water ”, which is the why that life is based on it, summarize to have other physic-chemical properties that make it unique, which makes it invaluable; although its abundance relegates it to have a residual value. Brazil somewhat smaller than Europe, and it has a patchwork of climates, however its position in Ecuador it has got a rainforest in main part of its territory, yet there are also deserts. The Brazilian population lives mainly on the coast with high densities of population, but they haven't water problems because they live so close to a forest. Until today , the...