The attorney, Roger Cox, thought out the legal framework for these landmark rulings, see his book Revolution Justified (2011) [1], for a summary see [2].
Note many followed in Roger's wake, take for instance yet another recent landmark ruling by the the German constitutional court declared the current climate protection measures insufficient [3]
The organization that took on Shell is Milieudefensie [4] ( hey, why not pay tribute and chip in )
[1] https://www.revolutionjustified.org/
[2] https://www.youtube.com/watch?v=4M-8bYFJsiA
[3] https://www.theguardian.com/world/2021/may/06/germany-to-bri...