Direct expropriation
http://www.iareporter.com/articles/analysis-two-new-treaty-based-disputes-center-on-friction-between-colombian-mining-and-national-parks-and-highlight-differing-transparency-rules-in-canadian-and-u-s-ftas/ (requires subscription)
http://www.parquesnacionales.gov.co/portal/es/normatividad/marco-normativo-areas-protegidas/parque-nacional-natural-yaigoje-apaporis/
https://www.iareporter.com/articles/latin-american-round-up-updates-on-the-dominican-republic-peru-and-colombia/ (requires subscription)