5. Conclusion

The Paris conference held in 2015 resulted in agreements to reduce greenhouse gas releases worldwide. The aim is to limit the rise in average temperature to 1.5°C by 2100. To achieve this, it will be necessary to keep carbon dioxide emissions below 40 Gt.year ^–1 . However, these emissions already reached 37 Gt.year ^–1 in 2018, and projections suggest that they could exceed 55 Gt.year ^–1 in 2030. With the Paris agreements having been ratified by more than 195 countries around the world, it is safe to assume that substantial efforts will be made to reduce CO ₂ emissions. One of the main strategic axes for achieving the targets is to gradually replace fossil fuels with green hydrogen. This evolution has already...