This is a very important legal tool that people have been using around the world to be able to bring suit against people and companies who cause damage to nature.
In most countries, in order to sue someone you require legal standing, which usually involves showing that you or someone or something you have control or ownership of, was caused harm by the defendant.
This status, as it's being used, specifies some set of entities who can sue on behalf of the juridical entity, for harm done to it. This greatly increases the ability of people to hold companies accountable for environmental damages.