OMG… Greenland’s ice sheets are melting fast
Nasa’s Oceans Melting Greenland study will deploy 200 robot probes to measure the full extent of Arctic climate change
Environment
Leonardo DiCaprio Foundation raises $40m for environmental preservation
Actor’s foundation auctions prizes including private concerts with Elton John and arctic expeditions with Prince Albert II of Monaco to reach sum
Green news roundup: pine martens, eco homes and warming oceans
The week’s top environment news stories and green events. If you are not already receiving this roundup, sign up here to get the briefing delivered to your inbox
Bright lights, big trees: Dutch designer imagines an ‘urban forest’
City links: Blueprints for a neighbourhood of tree houses and smiley-face signals to reduce road rage feature in this week’s best city stories
Maratona dles Dolomites: a bike race of ups and downs (and little else)
The famous event in Italy’s beautiful South Tyrol is 86 stunning miles long – but with 4,000 metres of climbing. Could Peter Walker take it in the 30C-plus heat?
Natural dyes v synthetic: which is more sustainable?
Colours derived from plants may appear more planet-friendly than man-made dyes, but the case isn’t clear-cut