hand. the u.s. pulling back is going to be very difficult in terms of the stability of these systems. reporter: if trump sticks to his plans, it would be an about face from the previous administration s aggressive climate change agenda. we re going to contribute $3 billion to the green climate fund so we can help developing nations deal with climate change. reporter: president trump s proposed budget eliminates contributions to the green climate fund. it would also cut more than $10 billion from u.s. aid and the state department, two of the world s leaders in climate work. we re going to cancel the paris climate agreement. reporter: many trump supporters, including those in his cabinet, applaud these proposal proposals as a way to prioritize america s interests. but money isn t the only concern. as water gets more scarce, it threatens to become a catalyst for conflict. reporter: a 2016 study found
going to be very difficult in terms of the stability of these systems. if trump sticks to his plans it would be an about face. from the previous administration s aggressive climate change agenda. we are going to contribute $3 billion to the green climate fund so we can help developing nations deal with climate change. reporter: trump s proposed budget eliminates contributions to the green climate fund. it would also cut more than $10 billion from u.s. aid in the state department, two of the world s leaders in climate work. we re going to cancel the paris climate agreement. reporter: many trump supporters including those in his cabinet applaud these proposals as a way to prioritize domestic interests. it s a bad deal for america. it was america s second, third or fourth approach. reporter: but money isn t the only concern. as water gets nor scarce it threatens to become a catalyst for conflict. reporter: a 2016 study