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Common questions on climate change

1.  Are renewable energy systems even viable or are they just an Utopian dream of impractical scientists? And even if they are viable wouldn’t it cost an arm and a leg to make them viable?

Among the multitude of scientific journal articles, which answers both these questions separately, one article answers both these questions succinctly in a single paper.

In 2011 Jacobson et al. proposed a 100% WWS (wind, water, solar) energy system which can supplant the current fossil fuel industry. They found that production cost of WWS is exactly same as current fossil fuel-derived energy systems and that includes costs of production, storing, and transmission (with transmission losses). Their conclusion is that “ … barriers to a 100% conversion to WWS power worldwide are primarily social and political, not technological or even economic.”

2. Which countries invest the most in renewables?

The current standing (May, 2017) is: www.businessinsider.com/top-renewable-energy-investments-by-country-2016-3/

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