Acquisition of stake in Energy4U provides engineering giant with smart meter billing technology

Proposed high-speed line would connect London with the Midlands, North West and Scotland by 2020

Local planners must play their part in reducing climate change impact, says former deputy PM

Stagecoach founder provides backing for company turning cooking oil into biodiesel

ScottishPower is to build turbines in the Sound of Islay that will generate enough electricity for the island's 3,500 inhabitants – and its famous distilleries

Floating solar-powered discs dispatched to clean canal and moat in Osaka

Businesses will be subject to electricity thresholds under wide-reaching energy-efficiency plan

Record proxy season sees 68 climate change-related shareholder resolutions filed, almost half of which proved successful

Unlikely partnership will see 29MW solar thermal plant installed at Californian oil field