The article discusses how countries and organizations are working to reduce greenhouse gas emissions to help combat global climate change. They look into ways that agriculture can help offset these emissions. The researchers talk about the international Kyoto agreement, which set targets for reducing emissions, and how different countries have developed their own ways to reach these goals. They also mention the Chicago Climate Exchange, a voluntary effort by the private sector to reduce emissions. The article looks at the challenges and opportunities of using agriculture to lower greenhouse gas levels, highlighting the need for cooperation and innovative solutions to address this global issue.