Green news roundup: Invading ladybirds, digital debris and emissions inaction

Environment news • British ladybird species struggling to compete with alien invaders • UK ministers ignored 'peak oil' warnings, report shows • Landlords could be forced to refurbish energy-inefficient homes • Fish farming is answer to increasing global meat demands, says report • Gregory Jaczko 'unilaterally' stopped work on US nuclear dump • Greenpeace and Friends of the Earth hit back over 'out-of-touch' criticism Climate change • Nearly half UK's biggest companies failing to act on carbon emissions law • UN – curbing black carbon would bring dramatic, quick benefits to all • Coalition on course to miss carbon emissions targets, says CBI On the blogs • Why the White House has put the desert tortoise on its enemies list • Three Gorges Dam wins top quality award despite 'urgent problems' • Climate change education can still be part of a slimmed-down curriculum • Environment white paper lacks policy, ambition and Defra's backing Multimedia • Digital debris: The toxic path of electronic waste - video • The week in wildlife - in pictures • New species discovered in Philippines – in pictures Green living • New microchip could prevent 'standby' energy loss • The many dangers of rural cycling • Tony Juniper: Introducing a natural history GCSE would give us a greener future • Observer ethical awards 2011 - video Best of the web • Wind industry counters claim that countryside is 'paved with turbines' • Labour urges government to stop fracking around with shale gas • US claims victory over 'unfair' Chinese wind power grants For more of the best environment comment and news from around the web, visit the Guardian Environment Network . ... And finally • Bollywood animation promotes vegetarianism with 'attack chickens' 'The Greenchic - Finding Dad', a film promoting militant vegetarianism, is to premiere in India this month