Norman Foster: ‘I have no power as an architect, none whatsoever’

Ahead of a major urban design conference, the architect says we must plan for a more sustainable lifestyle – and discusses his disappointment at the likely rejection of his Thames Hub airport

How humans are driving the sixth mass extinction

Scientists have been warning for decades that human actions are pushing life on our shared planet toward mass extinction. Such extinction events have occurred five times in the past, but a bold new paper finds that this time would be fundamentally different. Fortunately, there’s still time to stop it.

Marine food chains at risk of collapse, extensive study of world’s oceans finds

Important ecosystems could be massively damaged by 2050 unless greenhouse gas emissions and localised pollution is drastically reduced, researchers say

Meet the Turner prize shortlist, from the musician to the mind-reader

Architecture, opera, fashion, parapsychology … this year’s contenders are taking contemporary art into exciting new territory. We sent our experts to meet the artists on the shortlist