I created a universal language for the deaf community

I track fake medication

I created the Barefoot College

A barking mad workshop! #2

I created the world's first solar cycle path

I help paraplegics to walk again

I created a network of solidarity supermarkets

I stand up for men in skirts

My radiator is inspired by the sun

I purify water with solar energy

I converted a Boeing 747 into a hotel

Our ‘hives’ give you access to farm-fresh products for less

I created a soup kitchen for animals

The toys I recommend for children aren’t made by other children

I make soap from used cooking oil

I created the Homeless World Cup

I turn out the lights to show you another world

I created a foldable electric car

I use plants to clean toxic soil

I invented flexible solar panels