Denmark is set to achieve 100 per cent renewable energy by 2030.

Iceland has topped the gender equality rankings for a decade and counting.

South Korea's average life expectancy will soon reach ninety.

How have these places achieved such remarkable outcomes? And how can we apply those lessons to our own communities?

The future we want is already here - it's just not evenly distributed. By bringing together for the first time tried and tested solutions to society's most pressing problems, from violence to inequality, Andrew Wear shows that the world we want to live in is already within reach.

Solved is a much-needed dose of optimism in an atmosphere of doom and gloom. Informative, accessible and revelatory, it is a celebration of the power of human ingenuity to make the future brighter for everyone.