Can 100% renewable energy power the world?

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?

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Is Facebook too powerful?

Amid growing calls to break up the social media giant Facebook, Ros Atkins looks at its power. He considers its roles in Myanmar, the storming of the Capitol building in Washington, and the company’s decision to block news in Australia.

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