Presidential hopeful joins rivals Rick Perry and Michelle Bachmann in voicing doubts over climate science
The future of US efforts to curb greenhouse gas emissions depends upon the result of next year's presidential election, after Republican presidential candidate Mitt Romney became the latest primary frontrunner...
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