Dirty air accounts for the premature deaths of people in London, New York, Paris and Beijing

Committee report labels the current 2040 target as ‘vague’ and ‘unambitious’

Only zero-emission vehicles would be allowed and a 20mph speed limit introduced

Owners of old diesel cars in 14 cities to be offered exchange premiums of up to €7,000

Logging at 20 times sustainable rate denudes South Pacific nation, report says

Concern grows that Brazil’s far-right presidential frontrunner would exit Paris pact

The group has quit the LSE but faces growing domestic pressure over its environmental record

Square Mile to create zero-emissions zone by 2022 and cut speed limit to 15mph

Company’s shares hit as ‘emissions control component’ wears down faster than expected

Move continues UK power supplier’s shift away from generating electricity from coal

Urban farming could produce 180m tonnes of food globally, according to researchers

Drought-hardened Australia is trying techniques that can help the rest of the world

Incentives or global standards would help deploy seaweed additives and genomics

International attention has turned to deforestation in the country’s rich savannah

A new strategy at Japan’s GPIF pension fund and statements in Beijing influence the region