Will the buildings of the future be grown underwater?

In a new exhibition, Michael Pawlyn lays out his vision for architecture inspired by the natural world – including biorock buildings grown entirely underwater and whole office blocks being lit by learning from the blind sea star

Richard Branson pledges to turn Caribbean green

Virgin boss says that pursuing environmental and renewable energy projects is ‘more interesting than making a few more bucks’

World’s largest power-generating lagoon planned for Swansea Bay

Tidal Lagoon Power submits application for first of five projects it says can meet 10% of UK’s power needs – if it is subsidised