2. Shipping emissions

2.1 Global transport emissions

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 CO ₂ emissions (figure 14 ). Roughly 40 Gt of CO ₂ 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 CO ₂ emissions attributable to the use of carbon-based energy in fact amount to just over...