More kinds of businesses would trade emissions certificates in the EU under a plan approved by the European Parliament on Wednesday, in a bid to make controls on climate-damaging gases more stringent. As part of the EU emissions trading system (ETS), certain industries must pay to emit climate-damaging gases such as carbon dioxide (CO2). Under the new reform plans, sectors in the building and transport industries are to be listed in the ETS for the first time. At the same time, free emission allowances are to be gradually phased out from 2027 and to end altogether from 2032. “Today’s plenary d…