But Japan's sinking economy made much of the agreement worthless.
Even though fossil fuel companies are some of the most lucrative on the planet, the "stranded assets" argument – that fossil fuel investments will become worthless if international agreements on climate change are met – suggests they are several times overvalued.
By supporting these companies, investors not only continue to fund unsustainable business models that are bound to make climate change worse, but they also risk their financial assets becoming worthless if international agreements on climate change are met.
He argued that the Paris climate change agreement is worthless unless we stop developing all new fossil fuel reserves.
Both of those agreements were worthless.
Without recognition by the plenary session of all the delegate nations, the agreement was almost worthless.
In a statement, senior official Yasser Abed Rabbo described the framework agreement as a "worthless piece of paper".
The problem is that in many countries, poor governance and corruption mean that such agreements could be worthless.
Paper agreements with North Korea were worthless because the world couldn't verify that the rogue nation was living up to its word.
Philippa Gee, investments director at Torquil Clark, says: "Couples might spend time and money setting up an agreement and then find it's worthless".
