A truck drives by as steam rises from the five brown coal-fired power units of RWE, one of Europe's biggest electricity companies in Neurath, north-west of Cologne, Germany. REUTERS
A truck drives by as steam rises from the five brown coal-fired power units of RWE, one of Europe's biggest electricity companies in Neurath, north-west of Cologne, Germany. REUTERS

Inaction over climate change could slash global GDP by 3% annually by 2030, BofA says