The talk is about achieving a fossil-free internet by 2030. The speaker discusses the importance of reducing fossil fuel usage to combat climate change and highlights the sustainable practices and policies needed to achieve this goal. They present a framework called CID, which stands for consumption, intensity, and direction, to guide sustainability efforts in the digital realm. The talk covers topics such as reducing resource consumption, minimizing carbon emissions, utilizing renewable energy, and making conscious choices about the direction of technology development. The speaker emphasizes the need for collaboration, open-source initiatives, and global policy changes to transition to a fossil-free internet.