The Hot or Cool group was set-up in early 2017 by Lewis Akenji and Kate Power. It is an action oriented group of international and multi-disiplinary leading think tanks, foundations, businesses, individual experts and practice communities, exploring and practicing science based actions to address the magnitude, urgency and scope of peaceful and deliberate transition towards joyful and truly sustainable ways of living while limiting global temperature rise to below 1.5 degrees Celsius and ecological footprint within one planet.