As a society we need to do better than digging up fossil fuels, and consumers should make better choices. But how does a company take that belief and turn it into a profitable enterprise? This Boxing Day we catch up with Satnam Surae, PhD, CTO and co-founder at Twig and ask about their path to success.

The music on Tech Talks is by London artist Lemzi. Check out his music and store at www.lemzi.com