Green news roundup: 'Asian unicorn', The Land Grabbers and energy reforms

Environment news • Government announces biggest energy reforms in 20 years • Farmer charged with criminal damage at GM crop trial site • Indian state to let forest guards shoot poachers on sight • Heartland Institute in financial crisis after billboard controversy • Ben Fogle plans to swim the Atlantic to raise environmental awareness On the blogs • Busting the carbon and cost myths of Germany's nuclear exit • Web chat: Fred Pearce on his new book The Land Grabbers • Will the airbag bike helmet be the way forward? • Only renewables - not nuclear - could be too cheap to meter • Environment Agency seeks to redefine 'drought' • Chelsea flower show isn't as green as it appears Multimedia • The Hard Rain Project Whole Earth exhibition – in pictures • The saola 'Asian unicorn' in pictures • The week in wildlife - in pictures • US car industry drives deforestation in Brazil Features and comment • GM crops: protesters go back to the battlefields • Will.i.am arrives by helicopter for flying visit to climate debate • Kielder Forest bids to become 'dark skies preserve' • Dilma Rousseff must veto Brazil's devastating new forest code • David Attenborough presents award to old friend Ted Smith ...And finally • Teabags targeted for new compost scheme New campaign to persuade Britons to recycle teabags instead of throwing them in the bin launched by PG Tips owner Unilever