There are questions to be asked about the wisdom of spending more aid on tax. Is it simply the case that the nature of current support and the way in which it is delivered is adequate, but that there is just not enough of it? If so, all that is needed is more of the same. Or, do we also need to...

Biofuels have gone from being hailed as a greenalternative to fossil fuels to being accusedof increasing global warming, causing loss offorests and other valuable habitats, and ofincreasing poverty in the developing world. This brief examines some of the key issues surrounding biofuels and...