Browsing the "canada" Tag

How Sustainable is Food from a Hydroponic Garden?

October 22nd, 2012 | by Jeff McIntire-Strasburg

Growing food on-site in hydroponic gardens is catching on in a number of locations. But does this approach create truly "local" produce, with all of the health and environmental benefits


Hydropower Continues Steady Growth

June 14th, 2012 | by Earth Policy Institute

World hydroelectric power generation has risen steadily by an average 3 percent annually over the past four decades. In 2011, at 3,500 billion kilowatt-hours, hydroelectricity accounted for roughly 16 percent of global electricity generation, almost all produced by the world’s 45,000-plus large dams. Today hydropower is generated in over 160 countries



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