<p>The number of dead pigs found in rivers supplying water to Shanghai has risen rapidly to more than 16,000. While authorities have said that tests indicate the city's water is safe, officials have given no explanation on the dumping of carcasses. Some tests have indicated that some of the animals may have had porcine circovirus, a disease affecting pigs but not humans. The government in Shanghai said that 10,570 carcasses had been pulled from the Huangpu river, while 5,528 have been found in upstream tributaries in the Jiaxing area of Zhejiang province.

<p>A draft European Commission paper calls for fewer summits and more incentives through carbon pricing to speed up efforts to fight climate change, according to Reuters. Recent annual meetings have been criticized for dragging on for weeks but achieving little. December's Doha summit failed to achieve anything that would have an immediate impact on greenhouse gas levels, instead laying out steps toward a global deal to be agreed to in 2015 and entered into effect in 2020.

<p>The world can only achieve global prosperity by combining economic and environmental goals, according to scientists writing for the journal <em>Nature</em>. They say world leaders should set goals around an end to food and water shortages, universal clean energy, healthy and productive ecosystems, and thriving livelihoods. The article argues that it is no longer enough to pursue the millennium development goals, agreed to in 2000 but running out in 2015, to alleviate poverty.