I created a universal language for the deaf community

I carry fruit and vegetables in the last mile

My refrigerator works without electricity

I launched the first ride-sharing company for seniors

I fill up my tank with what you throw away

I created a new kind of citizen action

I use oyster shells to make paint.

The untouchables I help are no longer destined to clean human excrement

I invented a blood test without needles

I created a deodorising fabric with coffee grounds

I created the Ethical Fashion Show

I recycle rare earth metals

My cooker lets nothing go to waste

My app helps you make responsible consumer choices

I created Clean Up Day

I recycle plastic bags in New Delhi

I manage the world’s first newspaper for the homeless

We're marketing an invasive mollusk as a new seafood option

I created metro maps for the visually impaired

I protect gorillas from coltan miners