Green news roundup: Fishing reforms, air pollution and Kevin Costner's oil machine

Environment news • Protest urges EU to end overfishing • Republican bill to ban energy-saving lightbulbs fades • Greenpeace report links western firms to Chinese river polluters • Al Gore returns with new climate campaign • A race for land is destroying the Guatemalan rainforest • Badger culling is ineffective, says architect of 10-year trial • Arctic may be ice-free within 30 years Oil and energy • BP's oil spill crowdsourcing exercise: 'a lot of effort for little result' • Gillard puts future on the line with radical plan for Australian carbon tax • Rupture in planned US pipeline could release 7m gallons of oil, study warns • Chris Huhne: UK must invest in energy infrastructure to keep the lights on Multimedia • How air pollution affects athletes: Double Pendulum - video • Rising deforestation in the heart of the Amazon - in pictures • Satellite eye on Earth: June 2011 - in pictures • The week in wildlife – in pictures From the blogs • Are pets bad for the environment? • Air quality: the UK's invisible health crisis • Powering the UK: why the new electricity plan is all about nuclear Best of the web • SciDev.net: Pakistan to import green technologies • BusinessGreen: Why are fossil fuel assets Triple-A rated? • Green Futures: The Netherlands raises the bar on sustainable fishing For more of the best environment comment and news from around the web, visit the Guardian Environment Network . ...And finally • BP bought Kevin Costner's oil spill clean-up machines – despite field test failure Experts say oil company spent $16m on actor's oil-water separation machines and gave top priority to testing his devices