Despite a sense that the international climate change negotiations, convened in Bonn, Germany this week, are grinding forward at a painfully slow pace, there is a momentum to the process that makes adding new ideas very difficult. It took several years of behind the scenes technical work and at least two years of carefully planned campaigning to get the deforestation issue substantively on the table. While we know that agriculture can make a vital contribution to addressing climate change, it lags behind the forest discussion and effectively including it in the Copenhagen deal at this late date will be no …