Print commissioned by Nasa uncovered for exhibition

UN climate summit will focus on how to implement the targets needed to urgently cut greenhouse gas emissions What is at stake at the UN climate summit and what can it achieve? Key players at the climate talks Hello, and welcome to the live blog for Cop31, this year’s UN climate summit. I’m Ajit Niranjan, the European environment correspondent – I’ll be running the liveblog from Berlin over the next two weeks while my colleagues in Antalya, Turkey, bring us updates from where the action is. We’re

Brands including Dr Martens, Nike and Coach are among those using recycled materials.

Berkshire, Buckinghamshire and Oxfordshire Wildlife Trust aims to raise £70,000 for the project.

Great Square of Pegasus’s four corners are widely visible, but its inner stars provide a useful indicator of darkness This week, we are going to locate the Great Square of Pegasus and count stars to see how dark your sky is. The chart shows the view looking south from London at 2000 GMT on 9 November. High in the sky is the Great Square of Pegasus, a distinctive pattern of four stars that marks the body of the mythical winged horse. Continue reading...