River sediments reveal decades of pollution linked to economic growth
Sediments at the bottom of rivers and lakes in Mongolia are acting as a hidden archive of pollution, revealing how decades of economic growth have shaped environmental contamination, new research shows.
Dentists warned of the environmental impact of ‘laughing gas’
Nitrous oxide, used to calm anxious dental patients, is contributing significantly to greenhouse gas emissions in the UK, with major differences in how it is used and wasted between services, according to new research from University College London.