what greenpeace activists have long been claiming is now considered the scientific consensus.e can only allow ourselves to use a fifth of the world's reserves. at the same time, more and more people understand that the fossil fuel industry works by using everyone's savings, invested in funds and insurance policies. bill: these companies are a rogue force. they're outlaws. they're not outlaws against the laws of the state, they get to write those for the most part, but they're outlaws against the laws of physics. if they carry out their business plans, the planet tanks. reporter: more than 500 institutions around the world have by now pledged themselves to divest more than $3.4 trillion from the coal and oil sectors. they include cities such as oslo, institutions like the rockefeller brothers fund, and insurers such as allianz. anthony: it's great, it is putting pressure, but we need also to create a hard place to divestments rock. we need to map out the transition for the fossil fuel industry, around which mainstream financial institiutions can engage. reporter: are alarm bell