Google

Google is intent on sourcing carbon-free energy 24 hours a day - but it's more difficult than it sounds

Households across the country can now use Project Sunroof to scope the solar potential of their rooftops

Letter from group of firms including Google, Amazon, Facebook and M&S highlights key role of corporate PPAs in delivering climate and energy targets

Greenpeace says its rankings show big names such as Samsung and Amazon must demonstrate 'greater ambition' on renewables, resource use and hazardous chemicals

The tech giant and a leading US fusion company develop a new computer algorithm that significantly speeds up progress towards clean, limitless energy

Tech giant agrees Power Purchase Agreement with Enenco to secure electricity from local solar project

Alphabet Inc. already has deal to buy 100 per cent of power from 160MW Tellenes wind farm, which will become biggest in Europe once completed

Barbara Grady explores how three award-winning initiatives could transform the US power sector

Project Sunroof expands out of US for the first time, scanning seven million rooftops in Germany tp assess solar generation potential

Eco-billboards around Los Angeles and San Francisco suck pollutants out of the air