BERLIN: Accelerated climate action could boost global GDP by 0.2 per cent by 2040 compared with current policies, a study showed on Tuesday (Mar 25), as delegates from 40 countries meet in Berlin to shape the agenda for the COP30 summit in Brazil later this year. An analysis by the Organisation for Economic Co-operation and Development (OECD) and United Nations Development Programme said that well-designed climate policies not only cut emissions but could enhance efficiency, productivity and