Free colour-coded menu is changed daily according to air pollution levels at pop-up scheme that aims to raise awareness of problem

Analysts say Brexit will create uncertainty for energy sector, which could hit £20bn investment a year needed to replace ageing, dirty power plants

Leave victory risks delaying EU ratification of the Paris deal, leaving the door open for Obama's successor to unpick the pact

If tests of the 100 metre-long barrier that collects rubbish on the sea's surface are successful, it could be deployed at a larger scale in the 'great Pacific garbage patch'

Documents seen by Guardian show that the commission's in-house science service told it in 2010 that tests had uncovered what researchers suspected to be a 'defeat device'

Letter asking the president to prevent future hunting for oil in the waters follows a series of new heat and melting records in the Arctic, which stunned researchers

ClientEarth's Josh Roberts predicts community energy projects can play a major role in engaging people with the clean energy they use

Environment minister George Eustice tells MPs' committee that the government supports a ban on polluting plastic microbeads in cosmetics

Change in government's energy policy blamed for job losses just as solar power eclipses coal in electricity generation

Move towards renewable energy and away from coal power helped stall emissions growth last year but slowdown may be temporary, says oil giant