Most CO2 emissionsCO emissions have their origin in the fossil fuels for energy and materials production, the other part, from the deforestation and wildfires. Brazil is one of the countries that are in the top list of emitting countries. The questionQuestions is to conciliate the use of technologiesTechnology and the CO2 emissionsCO emissions decrease, considering their use that leads to an increasing of energy consume. One set of these technologiesTechnology is the Information and Communication TechnologiesInformation and communication technology (ICT), which are the basis of process and managementManagement of all sectors in the world economy. Environmental, SocialSocial and Corporate GovernanceCorporate governance (ESG) allows companies to change their behaviours, planning, producing and selling in a more conscious way, according to a sustainable production. There is a debate where two theories relate the CO2 emissionsCO emissions and the use of ICT. This chapter aims to fill the gap of this discussion, developing a discussion of ICT and sustainabilitySustainability through the debate over CO2 emissionsCO emissions regarding these important technologiesTechnology in the global economic context. The chapter will present a summary of literature and the suggestions to solve the problem, the classic conceptual frameworkConceptual framework with the main themes (ESG, ICT and CO2 emissionsCO emissions), CO2 and ICT Emission Cases, the practical use of the conceptual frameworkConceptual framework into the process of developmentDevelopment, implementation and monitoring of the strategy and production organization, a summary of main ideas and concepts, questionsQuestions and cases to be sold.