Green light: Climate science under fire, conservation and money-free man

Climate science under fire • UK's top scientist urges care among climate scientists • IPCC denies claim that it overstated costs of natural disasters • Bob Ward: IPCC critics are digging up old academic rows • Climate change: Chinese adviser calls for open mind on causes • Glaciergate was a blunder, but it's the sceptics who dissemble It's been a week of unwelcome pressure for the UN's panel of climate change scientists, who have been under fire from media reports and climate sceptics. Much of the criticism stemmed from a continuing row over claims over melting Himalayan glaciers , while an old debate about the link between natural disasters and climate change was dredged up too. Conservation • Gordon Brown urged to create 'Britain's Great Barrier Reef' • Tony Juniper: Chagos is our chance to preserve a natural wonder • Thirteen countries meet in bid to save wild tiger • WWF nets Marks & Spencer commitment to sustainable fishing • China puts on Oscar-style ceremony for conservation heroes Conservationists this week renewed their efforts to protect oceans and wildlife around the world. While campaigners pushed for the creation of the largest marine reserve in the world in the Chagos islands, M&S signed up to a sustainable sea food charter and politicians met in Asia to discuss how to ensure the future survival of wild tigers. The money-free man returns • Video: The No Money Man • I live without cash – and I manage just fine • The cashless man responds to your comments • My year of living without money • Is it possible to live a life without money? The subject of one of our most-read subjects in 2009 returned this week. Watch our film of Mark Boyle to see how he maintains a green and ethical lifestyle without money, from his solar-powered caravan to employing cuttlefish for toothpaste. Multimedia • New: National Geographic video archives • In pictures: The week in wildlife • British wildlife photography awards 2010 - call for entries • Life in a cubic foot in Moorea, French Polynesia There's a feast of new natural world footage on the site this week, thanks to our new archives of National Geographic video . Elsewhere in wildlife, we rounded up some of the most inspiring photographic entries to the British wildlife photography awards - including a stunning shot of a bounding hare . Green living • Fifty books to change the world • What makes cycling joyful? • Green your home playing cards • The Observer Ethical Awards 2010 • You ask, they answer: Natural Collection and Ethicalsuperstore.com • Rags to riches: Erin O'Connor's fairtrade fashion Head to the site this week to debate ethical shopping with Natural Collection and Ethicalsuperstore.com, argue the case for your top 50 environment books and brain up on ways to green your home. Everybody's talking about If you only read one thread ... Chinese legal experts call for ban on eating cats and dogs Widespread and ancient practice of eating dog meat increasingly distasteful for China's growing affluent, pet-loving middle class Best comment Finntastic : "On one level, this is highly admirable. We do live in a obscenely materialistic society that values wealth and throwaway consumerism. Anything challenging this and showing us how little we actually need in life is fantastic. However, there's a nagging voice that wonders what Mark is actually contributing to society? I don't mean in a tax payer kind of way, but what is he doing for others in his community, rather than consume less resources than everyone else? There's something about becoming isolated in a caravan that doesn't really help anyone or anything." Posted on: The No Money Man video Read Mariam Cook's latest blogpost for more about this week's community activity. ...And finally Ill health for London's eels Why have the Thames eel populations crashed by 98% in five years?