This week's Intergovernmental Panel on Climate Change report recommends keeping the global increase in temperature below 1.5°C. We ask how governments and companies can reach "net zero" and whether the global economy can both grow and go green? Kenneth Cukier talks to one of the authors of the report, an advisor to Costa Rica on its pioneering decarbonisation plan and the European refineries industry body on its green efforts.
Babbage from The Economist (subscriber edition)