"This next regime of climate change rules must be targeted toward reducing GHGs as cheaply and quickly as possible. Developing countries and their farmers are key to meeting this objective. First, land-use changes and practices in developing countries must be included in mechanisms for reducing...

In the next 25 years, South Asia's food requirements are likely to double, while its natural resource base is likely to shrink. The subcontinent, which carries 21 percent of the world's population on just 3 percent of its land area, already has a high proportion of its land under cultivation and...