Green light: Burning turtles, climate emails and the moneyless man

Environment news • UK suffers setback as renewable sources fall • Battle for the Nile as rivals lay claim to Africa's great river • BP accused of killing endangered sea turtles in cleanup operation • Art activists take on the Tate crowd over BP • Name a species - enter our competition Xan Rice reports on an epic water struggle between Egypt and the countries of the Nile basin, and Suzanne Goldenberg looks at the cruel fate of sea turtles in the Gulf . Make sure you also take your unique opportunity to name one of 10 British species without a common name . Climate emails debate • The greatest scandal to hit climate science or a storm in a teacup? The publication of private emails between climate change scientists at the University of East Anglia and their international colleagues caused a storm of controversy, and three separate inquiries. Join our debate on 14 July with Bob Ward, Fred Pearce, Doug Keenan and George Monbiot to discuss what the emails do – and do not – reveal. Multimedia • Video: Post-Copenhagen climate animation • In pictures: Endangered UK species wallchart • In pictures: The week in wildlife This week we're exclusively hosting a fantastic collaboration climate film, Coalition of the Willing. Watch it first on environmentguardian.co.uk . Green living • You ask, they answer: Slow Food • Ask Leo: What's the best way to save water during a hosepipe ban? • Matthew Lloyd's innovation: the zero-carbon lift Join Leo Hickman on the threads this week to share your tips on water conservation at home. Best of the web • From IPS:Thailand fights addiction to plastic bags • From Real Climate: What do climate scientists think - and why does it matter? • From SolveClimate: US politicians oppose 2,000-mile oil sands pipeline For more of the best environment comment and news from around the web, visit the Guardian Environment Network . ...And finally • To gather possessions, don't we need cash? Not so Making pillows from wild reedmace or picking up DVDs on websites such as Freecycle is free and has wider benefits too, argues Mark Boyle