Watchdog argues that if the government had considered taking a stake in controversial nuclear project it could have slashed costs for consumers
New risk tracker warns government failing to offer sufficient assurances on air quality and chemicals regulations post-Brexit
Reports suggest government recognises it will "struggle for numbers" if it forces parliamentary vote on controversial third runway
Investor group urges stronger energy efficiency rules, as green trade bodies appeal for renewables target rethink
Analysis of world's lenders reveals many claim green credentials while still financing fuels like tar sands, oil and coal
New report argues the ability to use gas as a 'briding fuel' is limited by the need to keep global temperature increases below 1.5C and 2C goals
Wide-ranging new strategy promises huge expansion of cycle network and the delivery of a zero emission transport network by 2050
Gaelectric cuts ribbon on two new Northern Irish wind farms, as SSE completes first phase of giant 169MW project in the Republic
In a speech dominated by Brexit, the government pledged to deliver its promised industrial strategy and step up support for green vehicles
In echo of 'defeat device' scandals, one TV increased energy consumption by 47 per cent when tested in real-world viewing