Check out the six finalists for the Waste Reduction Challenge Prize chosen from the original shortlist of of 20. Each of the six finalists will receive funding of up to £10,000 and support to set up and test their innovations over a six month period. The idea that demonstrates the most success will be awarded the £50,000 prize.

Brixton People's Kitchen, Mobile Kitchen

For the last year, the Brixton People's Kitchen has been turning food surplus from local businesses into free, healthy meals for local people. It is now inviting local people to design and build a Mobile Kitchen that will travel throughout the diverse communities in Brixton and beyond, to inspire positive action against food waste by acting as an open, convivial platform for food education, community building and skills-sharing.

Zero Waste Alliance UK, The Rubbish Diet

Billed as 'WeightWatchers for your bin', dieters weigh their fortnightly waste collection and aim to lose weight each fortnight by reducing the amount they throw away by recycling, composting & finding others uses. Dieters join 'a support group' where they identify key targets and share ideas.

Fareshare and Foodcycle, Just-in Time Food Network

Through its Just-in Time Food Network, FareShare and FoodCycle are working with big suppliers and supermarkets to redirect leftover stock to over 700 diverse charities. Together they have created a framework to empower local communities to collect surplus food in an effective, safe and efficient way that can be replicated.

Museum of Bad Design

The Museum of Bad Design aims to create a collaborative design team, from all fields, to come together to tackle the issue of bad design and production of waste. It is going to create an online platform where industry's best brains can come together with the collective intelligence of this community design team to generate solutions to design out waste.

Feeding the 5000, Gleaning Network

It diverts 36,000 kg of wasted fruit and vegetables from farms to charities providing food to the most vulnerable groups in society. The network uses outgraded produce that doesn't make it into supermarkets because of shape or size and channel it towards those in need.

Proper Oils

Proper Oils is working to make it easier to recycle household cooking oils, by providing households with storage vessels and community collection points. It is working with collection partners to educate them on how to collect, store and recycle cooking oil.  In return, Proper Oils will reward the host of the collection point, before the recovered oils are processed to make biodiesel.