Green light: Endangered species, green banks and bioblitzing

Conservation and Cites • Internet is biggest threat to endangered species, say conservationists • Large bloc of African countries oppose plan to relax 21-year ivory sales ban • Endangered species: Last chance to see • African nations at loggerheads over auction of ivory stockpiles • Bluefin tuna fails to make UN's list of protected fish • The war of the sea eagles Endangered species have been high on the agenda this week thanks to a meeting of the Convention on International Trade in Endangered Species of Wild Fauna and Flora (Cites), which is now drawing to a close. Bluefin tuna , elephants and polar bears all failed to get the protection campaigners hoped for, while the WWF warned the internet is now the biggest thread to wildlife through illegal trade . Climate change • Budget 2010: Port upgrade for offshore wind may be "surprise" inclusion • Nicolas Sarkozy under fire after carbon tax plan shelved • Scottish government sets afloat £10m marine energy prize • Wind contributing to Arctic sea ice loss, study finds • Energy minister will hold summit to calm rising fears over peak oil • Mike Mason: Aiming for a no-carbon economy Plans for a green bank are expected in the 2010 budget today, while France backtracked on plans for a tax on carbon , and the Scottish government called for entries for its £10 marine energy competition . Meanwhile, the Climate Care-founder, Mike Mason, asked whether heading for a low-carbon economy is the wrong path - and whether we should be aiming for a no-carbon one. Multimedia • In pictures: Signs of spring 2010 readers' photographs • The week in wildlife • Relief in Japan as tuna ban voted down • How seasonal and local can we eat? • Video: Ivory ban to be upheld by Cites Cites featured heavily in multimedia this week, alongside Guardian readers' brilliant and varied pictures of spring – from catkins and flowers to lambs and birds. Green living • Is a 10-hour cycling course for police a waste of time? • James Garvey: Green living is not about doing the right thing for the wrong reason • Welcome to Sevenoaks, and put your watches back 25 years for cyclists • Where to take part in a 'bioblitz' • Is there a green alternative to air-conditioning? This week Juliette Jowit investigated the world of "bioblitzing" , the art of mass public participation in wildlife recording and tracking. On the bike blog, one cyclist questioned received wisdom on road safety and asked if there was hope for UK roads to become safer for cyclists. Everybody's talking about Debate of the week Climate change uncertainty is no reason for inaction since we can't rule out risk Tim Palmer: We don't have to believe that our house will burn down to take out insurance. So why delay taking action to reduce emissions? Best comment US to lobby for endangered species listing for polar bear AnaGraeme : To be honest, killing them and selling their furs is kinder than letting them starve to death because we have destroyed their habitat. The US could start saving the polar bear by banning SUVs and Hummers within Chicago, New York, LA ... Oh well, just ban them. Period. Read interaction manager Mariam Cook's latest blogpost for more about this week's community activity. ... And finally • Is a bike mug holder your cup of tea? A hot beverage holder on the handlebars is a dream concept, but there are problems with the execution