One potentially viable option is the International Court of Justice, although this would require finding a developing country to sponsor the litigation and effectively sue a wealthy country. That would be pretty cool but I’m not sure if it’s possible
An even bigger problem is that jurisdiction of the ICJ is based on the consent of the parties to a particular deispute so you would have to find a rich country willing to be ‘effectively sued’ as well.
One potentially viable option is the International Court of Justice, although this would require finding a developing country to sponsor the litigation and effectively sue a wealthy country. That would be pretty cool but I’m not sure if it’s possible An even bigger problem is that jurisdiction of the ICJ is based on the consent of the parties to a particular deispute so you would have to find a rich country willing to be ‘effectively sued’ as well.
The WTO will not have jurisdiction over ICESCR claims—see this paper which explains this