Methane warms planet 20 times as much as similar CO2 volumes but lack of monitoring means scientists can't be sure of sources
Emissions of the powerful greenhouse gas methane have surged in the past decade, threatening to thwart global attempts to combat climate change. Scientists have been surprised by the surge, which began...
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