Energía hidráulica
Se denomina energía hidráulica o energía hídrica a aquella que se obtiene del aprovechamiento de las energías cinética y potencial de la corriente de ríos, saltos de agua o mareas. Es un tipo de energía verde cuando su impacto ambiental es mínimo y usa la fuerza hídrica sin represarla, en caso contrario es considerada sólo una forma de energía renovable.
Fuentes de noticias: Energy Bulletin, Energy Industry Today, Hydro Power News, Renewable Energy World
For a few days last week, global news agencies pursued the peculiar story of the world's worst traffic jam, which was reported to have lasted for around nine days and stretched across about 100 kilometres of a major highway leading to Beijing. China's latest instance of leading the world, now in the scale and size of traffic jams, is a direct consequence of the modern uses and abuses of energy.
Now, if you are wondering why a falling water level in the Venezuelan highlands should be if interest to Americans, the answer is easy. Despite years of political tensions between the Chavez government and Washington, the U.S. is still importing some 800,000 barrels a day of crude from Venezuela.
A midweek roundup of peak oil news, including:
-Prices and production
-Venezuelas Power Crisis
-UK Peak Oil Summit
Millions of job losses are pushing the U.S. Senate to consider a Jobs and Energy bill, even though Cap and Trade appears to be on life support. What are Five Key Measures that must be in a new Bill to avoid being a "half-ass..d" effort? (term from Sen. Lindsey Graham descrbing limited climate bill)
A weekdly roundup of peak oil news, including:
-Prices and production
-Record Asian demand
-The Alberta oil sands
-Quote of the week
-Briefs
For many centuries, canal boats were propelled by men, horses or mules on the towpath beside the water. Before diesel power took over, engineers developed several interesting methods powered by electricity: trolleyboats, floating funiculars and electric mules. Many of these ecological solutions could be applied today instead of diesel engines.
"as mankind proceeded to get bigger and bigger we silently crossed a threshold"
-The UK Power Generation Expenditure Forecast 2010-2030
-How many cyclists does it take to power a hairdryer?
-Energy bills could rise to more than £2,000, says Ofgem
-Solar industry in limbo as grants dry up
Not deterred by the international financial crisis which became widespread in 2008 or by the many recessionary patterns that grip most country economies, financial engineers are massing in København to prepare for the next wave. This one is about the commercial opportunities which renewable energy technologies, country climate funds and sectoral mitigation programmes promise to contain.
Evolution demands short-term thinking focused on individual survival. Most attempts to overcome our evolutionarily hardwired absorption with self are selected against. The Overman is dead, killed by a high-fat diet and unwillingness to exercise. Reflexively, we follow him into the grave.