We discuss the ups and downs of starting a business with serial entrepreneur Mike Grossman, author of Failure Is an Option. Plus: Champagne and Friends founder Dan Roznov on the industry’s climate-related challenges.

Cool for the summer: Fruttini’s ‘fruit givré’
27:49

How e-bike operator Forest got more Londoners on two wheels
30:29

Can Qantas’ Project Sunrise redefine long-haul travel?
32:53