Shipping emissions
Maritime Energy Transition. Issues, Challenges and Means of Action

Essential to today's economy, global trade, mainly based on freight transport, has multiple environmental effects. Today, the transport sector is responsible for around 15% of global CO₂ emissions (figure 14). Roughly 40 Gt of CO₂ are emitted each year as a result of human activities, 80% of which are linked to the use of fossil fuels, and 10% to deforestation and part of cement production. More specifically, in 2019, global CO₂ emissions attributable to the use of carbon-based energy in fact amount to just over 35 Gt (billion tonnes), including 5.25 Gt for transport.