President Trump's attempt to suspend rules governing the energy efficiency of air conditioners, freezers and commercial boilers is illegal, states argue
US states have banded together to mount a legal challenge against President Trump's attempts to delay new energy efficiency standards covering a range of energy and cooling equipment. The new rules...
Theresa May calls on EU to agree to transition period under 'existing structure of EU rules and regulations'
Mayor Andy Burnham kicks off congestion consultation with launch of the UK's first electric bus to be recharged using a pantograph
Engineering giant predicts 'sustained growth' from its Clean Air division, as it announces plan to expand investment in battery technologies
In her long-awaited Florence speech May is expected to outline proposals for a two-year transition framework for Brexit, effectively keeping Britain subject to EU environmental law until at least 2021