Taxes on international flights, shipping and financial transactions, as well as a global carbon price of $20 to $25 may be key to annually mobilising $100 billion in climate funding by 2020, according to the United Nations high-level advisory group on climate change financing, which submitted its report in New York on Friday. At the U.N. climate summit held in Copenhagen last year, developed countries committed to a goal of jointly...

The neo-colonial rush for global farmland has gone exponential since the food scare of 2007-2008. Last week's long-delayed report by the World Bank suggests that purchases in developing countries rose to 45m hectares in 2009, a ten-fold jump from levels of the last decade. Two thirds have been in Africa, where institutions offer weak defence. As is by now well-known, sovereign wealth funds from the Mid-East, as well as state-entities from China,...