Connecting neighbors and local shops so surplus food and other household items can be shared, rather than thrown away.

OLIO is a free app tackling the problem of food waste by connecting users with unwanted food from households or local businesses with nearby neighbors who would like it. Launched in the U.K. in January 2016, OLIO now has over 2,100,000 users who have, together, shared over 5.4 million portions of food, which is the environmental equivalent of taking 2.5 million car miles off the road. This has been achieved in large part thanks to over 25,000 volunteers who spread the word about OLIO in their local communities and collect and re-distribute unsold food from local retailers. OLIO is the world's only neighbor-to-neighbor food sharing app, and food has been successfully shared in 49 countries so far.


Hunger Health Sustainable Cities Responsible Production

United Kingdom


Tessa Clarke

Tessa Clarke (Co-Founder & CEO at OLIO) has been an Unreasonable Fellow since November 2018 and most recently participated in The Unreasonable Impact COVID-19 Response Global Summit, created with Barclays.

The Unreasonable Impact COVID-19 Response Global Summit, created with Barclays
Escape The City

The Escape 100: 2021

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