Duniya bhar mein badhta climate change ka crisis ek bada sawal uthata hai: iska kharcha kaun uthayega? Ek nai soch yeh hai ki jo log ya companies zyada carbon emissions karte hain, unhe iske nuksaan ka bill bharna chahiye. Is approach ko “Polluter Pays Principle” kaha jata hai, jiska aim hai climate justice ko achieve karna aur un countries aur communities ki madad karna jo zyada affected hain lekin kam responsible.