With the world set to run out of fossil fuels in 50 years, Federico and Renzo Rosei explain in this TedED talk the challenges to switching to 100% renewable energy.
Every year, the world uses 35 billion barrels of oil. This massive scale of fossil fuel dependence pollutes the earth, and it won’t last forever. On the other hand, we have abundant sun, water and wind, which are all renewable energy sources. So why don’t we exchange our fossil fuel dependence for an existence based only on renewables? Federico Rosei and Renzo Rosei describe the challenges.
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