The document discusses opportunities for reducing carbon emissions through the use of information technology, including online services, print-on-demand, remote working, and decision support systems. It cautions that the full costs and indirect effects of these IT solutions on the wider system should be considered, such as potential rebound effects or changes in behavior. The document encourages thinking about how these approaches could be applied positively in businesses and which applications might have the most impact, while also remembering to consider the warnings and think systemically.