Green light: Greenest government, forest protests and 2010 in pictures

Conservation and wildlife • Bluefin tuna fetches record £254,000 at Tokyo auction • Kittiwakes' wintering habits depend on breeding success, study reveals • Bees in freefall as study shows sharp US decline • Forest of Dean protesters fight big woodland selloff Climate change • Damian Carrington: How to judge the 'greenest government ever' • China makes gain in battle against desertification but has long fight ahead • Chris Huhne promises Britain will speed up switch to green energy • UK government launches £5,000 electric car grant scheme • What are climate change feedback loops? • Meet our new green-o-meter - a light-hearted effort to track the serious issue of David Cameron's promise to deliver the "greenest government ever". Multimedia • In pictures: Reader photos of dusk and dawn • In pictures: Forest of Dean selloff angers locals • In pictures: 2010, the year in environment • In pictures: Review of 2010 wildlife photographic awards Green living • Councils accused of complacency as rubbish left to pile up • George Monbiot: In search of the famous 'war on motorists' • Can I recycle my old photographs and negatives? • The fun factor: why more children cycle than adults • The Nissan Leaf – a perfect use for that unwanted Christmas jumper Best of the web • SolveClimate: Court backs Texas revolt against EPA's new greenhouse gas rules • SciDev.net: Sloppy seed-sorting main culprit in GM crop escapes For more of the best environment comment and news from around the web, visit the Guardian Environment Network . ... And finally • Apocalypse now? Mystery bird deaths hit Louisiana Hundreds of blackbirds fall from sky over Louisiana, days after similar phenomenon in neighbouring Arkansas