Creating new products, services and business models fit for the 21st century demands risk-taking. This week, we chat to Matthew Turner, author of Successful Mistake to discuss how companies can fail fast – and leverage mistakes to build better, stronger businesses.

We also catch up with Vikki Knowles for all the latest news, this week featuring: Earth Day, Fashion Revolution, Marks & Spencer and edible cutlery.

This week, we are in the company of James Williams, a start-up entrepreneur who hopes his idea – to incentivise people to charge their electronic devices at times of the day when clean energy systems are at their most productive – has legs.

We also catch up with Vikki Knowles for the latest news from across the world of sustainable business, featuring Boeing, Levi Strauss and the new solar cell technology that can make energy from water as well as light.

Another fascinating start-up this week: Tumalow combines solar PV with battery energy storage and software to get rid of those pesky customer demand charges. We're in conversation with the CEO William Gathright.

Also, we catch up with Jake Backus, former customer sustainability director at Coca-Cola, to find out why companies find it so hard to talk about green issues with Joe Public.

This week's guest is Tara Button, the founder of Buy Me Once, a website selling only products that have been designed to stand the test of time. It's one of a growing number of businesses which are standing up to the epidemic of over-consumption, encouraging people to think before they buy, and favouring quality over quantity.

This week, we meet Lenny Mendonca, owner of Half Moon Bay Brewing Co., the Californian business that is using Nasa technology to produce beer using water that has passed through sinks and showers. Recent taste tests give the beer the thumbs up. Now, it's up to Lenny to convince the regulators to show similar positive – and help reduce the pressure on businesses still reeling from a prolonger drought in the region.

Meet Tom Cridland, the international fashion designer shaking up the market for ethical fashion, putting fairness and transparency centre stage – and offering a 30-year guarantee on his t-shirts and sweatshirts for starters!

Also, this week's news round-up, featuring Jeremy Rowsell, Unilever, Indiegogo and the UK Budget.

Out of the studio and on location this week for Resource Event at Excel, London – meeting the great and good interested in disrupting how companies see 'waste'. Featuring, The Great Recovery Project, Riversimple, Purifying Glasshouse and Alex Bellos.

This week we're in conversation with Greg Lavery, a man who has used his many years in sustainable business consultancy as the foundations for Rype Office, a company disrupting the way companies buy – and get rid of – office furniture.

Plus, Vikki Knowles is on hand with a round-up of the week's better business news, featuring EasyJet, IKEA and Italian cyclists!

Money, money, money. Meet Ian Monroe, co-founder of Etho Capital, an investment management company at the heart of the emerging fossil fuel divestment movement – and proving to the investment community that putting your money into socially responsible companies does not have to negatively affect returns. Find out how and why the tide is turning.

This week, we meet Eben Bayer, the co-founder of Ecovative, the US business growing packaging and building materials out of mushrooms. Yes, mushrooms. Intrigued? Tune in to find out how and why this company is shaking up the building materials sector.