Tens of thousands of cargo ships will have to start using less polluting fuels in January, a boon for the environment that could however lead to higher bills for consumers
Moving cargo ships into the slow lane, an idea French President Emmanuel Macron floated at the G7 summit, would be one way to cut maritime transport's giant carbon footprint
Taxes on products considered polluting are struggling to gain ground in the EU despite backing from Brussels, in the face of opposition from movements like France's "Yellow Vests".
Electric vehicles took centre stage at this year's Geneva Motor Show, as automakers scrambled to bring their fleets into line with strict CO2 emissions standards set to kick in next year.
Some 385,000 people worldwide died prematurely in 2015 from air pollution caused by vehicle exhaust emissions, a US study has found, singling out diesel engines as the main culprit.