Annual cruise ship rankings compiled by green NGO NABU show little improvement in emissions or cleaner fuel use across the global industry over the past year
Rather than burning dead leaves, scientists suggest they can be used to make supercapacitors to rival even those made from wonder material graphene
LEAF manufacturer becomes latest car firm to offer cash incentive to trade in polluting vehicles - but this time fully electric cars are on offer
Government announces new trial of autonomous truck technology, which its makers claim could improve fuel efficiency and emissions on motorways
Cost of installing renewable power recouped in public health benefits from cleaner air, researchers say
Ford is offering £2,000 to help drivers of older vehicles switch to cleaner petrol and diesel models - but why isn't the industry incentivising EVs instead?
Industry forecasts for 2017 and 2019 suggest continued decline in demand for new diesel cars as public concern over air pollution mounts
Cenex-led initiative will aim to integrate real-time emissions controls and live air quality data in a bid to tackle urban air pollution
EPA administrator Scott Pruitt U-turns on plan to delay deadline to comply with ozone air pollution rules following lawsuit from 15 states
VW, BMW, Opel and Daimler's promise to fix 5 million cars not enough to undo the damage done by emissions scandal, say campaigners