NEWS: Leaders in Paris, Athens, Madrid, Amsterdam, Vienna and Lisbon among those to protest at Brussels’ inability to deliver tougher air pollution laws
NEWS: US agency funds competition to design better solar cells seen as critical to exploration of deeper space
NEWS: Improved technology and falling costs are moving electric car sales into the fast lane as manufacturers are now able to achieve significant economies of scale
NEWS: Carbon dioxide can be used to make batteries for electric vehicles, US scientists have shown
NEWS: Autonomous vehicles can be more efficient but are likely to encourage more road use, researchers warn
COMMENT: New airline emission standards are ‘riddled with flaws’ and are so unambitious companies will not have to exert themselves to comply
NEWS: EU urged to axe support for diesel as campaigners call for an end to tax breaks and weaker pollution standards
NEWS: Woolly responses to disclosure requests about emissions lobbying risks investments, shareholder watchdog says
NEWS: Mooted levy to pay for high speed rail, self-driving cars and public transport heats up climate debate in presidential election year
COMMENT: Car use dropped and local politicians were praised for decisive action, but a partial driving ban did not lead to cleaner air as many had hoped
NEWS: Energy and climate change secretary Amber Rudd says transport sector must accelerate transition to lower carbon forms of fuel
NEWS: Influential financial body estimates US$30 a tonne tax on emissions from international transport could have raised $25 billion in 2014
NEWS: Carmaker faces potential fines of US$90 billion for manipulating tests, under civil case brought by Justice Department
NEWS: Canadian city to warn burning fossil fuels causes climate change with compulsory notices in gas stations
NEWS: UK and US envoys admit to industry the International Maritime Organization could be overruled on emissions goals
NEWS: Flying west? A warmer Pacific is speeding up air currents, burning $3bn a year in extra fuel and CO2, study finds
NEWS: Former Ferrari chief Jean Todt tells RTCC he’s behind new electric series, as fans turn out in thousands for London finale
NEWS: US green regulator takes measures to tackle billowing emissions from aviation industry on public health grounds
NEWS: Imminent report from French government to suggest emissions from aviation growth should face financial penalties
COMMENT: World’s largest rail network consumes more electricity than Sri Lanka, but is taking new steps to cut power use