Union of Concerned Scientists
Sierra Club files major request for records to buy some time.
An open letter signed by America's top minds hopes to counter the influence of climate change deniers and oil execs.
The oil giant says its request is "focused on groups or individuals directly involved in a campaign to discredit our company."
By 2050, most of these sites will be hit by more than 10 times the number of floods than at present, and at least half of them will experience daily floods.
