CNN CNN Newsroom Live December 2, 2019 07:48:00
>> and that's factored in, we expect that regardless of sort of policy decisions from here forward? >> so that's very much dependent on whether we follow the paris agreement or not. >> reporter: the paris agreement's goal is to sufficiently cut carbon emissions to keep the average global temperature increase below two degrees. that's to avoid the worst consequences of climate change. scientists say achieving that goal will limit rising sea levels from expanding water and melting ice sheets. but it's already too late to prevent it. scientists say even if some of the best-case forecasts prove ac...