On Friday David was in Paris for COP21 where he helped promote the 2050 Climate Group at their session in the Generations Area.
He got to meet Dr Aileen McLeod – Scottish Minister for Environment, Climate Change, and Land Reform – alongside many other interesting sustainability advocates.
On Monday and Tuesday he will be attending the Sustainable Innovation Summit where First Minister Nicola Sturgeon and dozens of business and government leaders will be promoting innovation in the space of low-carbon.