Green news roundup: Rio+20, summer rain and fishing discards

Environment news • Rio+20 Earth summit: scientists call for action on population • GM crops good for environment, study finds • Fishing discards practice thrown overboard by EU • Japanese mayor approves plan to restart nuclear power plant • End of hosepipe ban to benefit 15 million people • Australia creates world's largest marine reserve network On the blogs • Why climate change needs higher energy bills • MPs to investigate the economics of wind power • America's love affair with the motor car is running on empty • The upsides of cycling in summer rain Multimedia • Rio+20 Earth summit: Amazon deforestation – in pictures • Treasured green spaces - your Green shoots photographs • Species and habitats found in recommended marine conservation zones – in pictures • Satellite eye on Earth: May 2012 Features and comment • Coal's resurgence undermines fight against global warming • Climate change protest website reported to police • John Gummer: Why Rio failed in the past and how it can succeed this time • Brazil's blueprint for reforestation Best of the web • Sharp relocating solar HQ from Germany to UK • 'The problem for coal right now is entirely economic' – EPA's Lisa Jackson • Green Party leader hopefuls launch bids For more of the best environment comment and news from around the web, visit the Guardian Environment Network . ...And finally • Alfredo Sirkis – the former bank robber with his sights set on Rio+20 His criminal past may be gone, but the revolutionary spirit of Sirkis lives on to attack complacency at the Rio Earth summit