This is the Better Business Show Friday Five, our brand new show coming to you at the end of every week – digesting the very best stories from across the world of sustainable business in the last 7 days.

This week, we’re talking:

- The Paris Agreement, which has finally come into force

- The fitness gear made from used coffee grounds

- Tesla and its new solar roof tiles

- Crispy Creme - giving free donuts to encourage people to vote in the US.

- Millennials - those pesky youngsters that will soon make up 50% of our global workforce

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