People in Freetown, Sierra Leone, are increasingly exposed to extreme heat due to climate change and the urban heat island effect, but covering homes in a reflective film significantly cut indoor temperatures

Dr. Rupert Read sets out succinctly the case for building what has come to be called a new mass ‘moderate’ flank in climate action: reaching well beyond the ‘ghetto’ of existing activism, to those who won’t in fact consider themselves activists at all.