https://theconversation.com/over-80-of-the-eus-farming-subsidies-support-emissions-intensive-animal-products-new-study-226853
https://wiiw.ac.at/the-emissions-reduction-potential-for-freight-transport-on-a-high-speed-rail-line-along-the-european-silk-road-dlp-6635.pdf
https://www.progressivepolicy.org/wp-content/uploads/2021/12/PPI_Natural-GasDec2021.pdf