This report looks at methods and the use of state-of-the-art Information and Communication Technology (ICT) for monitoring climate change. It addresses the policies and technological efforts from ICT organizations that contribute by reducing their own GHG emissions (climate change mitigation).It also provides a summary of the main climate change impacts on the ICT sector and the recommended adaptation measures (climate change adaptation), illustrated by country experiences, and reviews adaptation to climate change in other industrial and agricultural sectors.