UK100 leads calls for new Clean Air Act and a national indoor air quality strategy, after local authority-led clean air action saves almost £15bn in damage to health and the economy
White House moves to reverse 'endangerment ruling' that provides bedrock for federal attempts to regulate greenhouse gas emissions
Rolling out heat pumps and other green home heating systems will be critical to combatting chronic air pollution across the UK, argues Conservative peer Lord Randall
Government response to joint committee report on air quality fails to allay MPs' concerns over public health impact of air pollution
US Environmental Protection Agency confirms greenhouse gas emissions from aeroplanes pose environmental threat, paving the way for federal limits on pollution
News comes as MEPs ask Industry Commissioner Elżbieta Bieńkowska to clarify if emissions rigging has taken place in Europe
Volkswagen faces $18bn in fines after US regulators found thousands of cars giving false data on emissions
Obama administration continues green push with new proposals to strengthen air quality standards through the Clean Air Act
Car makers agree sum to resolve legal claim from EPA that they understated emissions data for some 2012 and 2013 models
New regulations based on US Clean Air Act welcomed by green groups but strongly criticised by coal industry