This document discusses using information and communication technologies (ICT) to persuade individuals to adopt more sustainable, low-carbon lifestyles through awareness and behavior change. It identifies key technologies like mobile phones, sensors, and social media that can be leveraged. Opportunities discussed include tracking carbon footprints to increase self-awareness, using social media and comparison to overcome issues like the "tragedy of the commons", and facilitating and praising green behaviors. The document also discusses principles of persuasive design or "captology" that can be applied, such as social influence, feedback, and making sustainable choices easy and fun.