Edited By Dave Reay, Pete Smith and Andre van Amstel Methane is a powerful greenhouse gas and is estimated to be responsible for approximately one-fifth of man-made global warming. Per kilogram, it is 25 times more powerful than carbon dioxide over a 100-year time horizon -- and global warming is likely to enhance methane release from a number of sources.

Zezza A, Tasciotti L (2010). Urban agriculture, poverty, and food security: Empirical evidence from a sample of developing countries Food Policy, Volume 35, Issue 4, pp. 265-273  Abstract Urban agriculture may have a role to play in addressing urban food insecurity problems, which are bound to become increasingly important with the secular trend towards the urbanization of poverty and of population in developing regions.

UNEP’s International Panel for Sustainable Resource Management has published a new report, "Towards sustainable production and use of resources: Assessing the environmental impacts of consumption and production: Priority Products and Materials". The report looks at the impacts of different economic activities on the environment and its key findings are as follows: Agriculture and food consumption are identified as one of the most important drivers of environmental pressures, especially habitat change, climate change, water use and toxic emissions.

Reuters reports that Indonesia's annual oil palm expansion may halve to 50,000 hectares from 2009 levels once a $1 billion climate change deal with Norway comes into effect next year. The government has promised land swaps for cancelling some forest concessions.