The document outlines the objectives and details from the Network of Excellence in Internet Science kick-off meeting held in Brussels on December 21-22, 2011. It emphasizes the critical need for a multidisciplinary approach to reduce greenhouse gas emissions through ICT innovations, detailing various work packages focused on assessing energy consumption, influencing user behavior, and exploring solutions for sustainability. Key tasks include evaluating ICT's carbon footprint, exploring 'ICT for green' strategies, and understanding the impact of user behavior on energy savings.