Pollution

International Maritime Organisation agrees to cap the sulphur content of marine fuels sold worldwide at 0.5 per cent by 2020

Leading medical body urges national branches to divest from fossil fuels and promote renewables instead

Extra £4m will be available through the Plug-In Van grant scheme to encourage more businesses to swap large diesel trucks for electric alternatives

London mayor launches second phase of air-quality consultation proposing introduction of ULEZ zone in 2019 and charges for older, more polluting vehicles entering the capital from October 2017

An aviation emissions offset appears set for take-off, but environmental campaigners warn it does not go far enough

Environmental lawyers ClientEarth launch legal action against Czech authorities over 'inadequate' plan to tackle poor air quality in the city

Agency also reports 54 per cent fall in "serious pollution incidents" over the past decade - but illegal waste crime remains a major issue

Company to lodge complaint with Advertising Standards Authority over claims that wipes are 'flushable'

Joint declaration from EU member states and other nations reveals strong support for market-based scheme to limit aviation emissions

Study concludes air pollution now the deadliest form of pollution and the fourth leading risk factor for premature deaths worldwide