Patrick Verkooijen: Is climate change inevitable?

Stephen Sackur interviews Patrick Verkooijen, the CEO of the Global Center on Adaptation. Back in 2015, world leaders pledged to speed up cuts in greenhouse gas emissions in a bid to stop our planet warming by more than 1.5°C. Most climate scientists now believe that threshold will be crossed, and soon. Is Patrick Verkooijen's focus on making the world climate change resilient an admission that the battle to cut emissions has already been lost?