Under the Berne Convention (and the national laws which implement it), you get a copyright when something is «fixed in a tangible medium» such as paper or film, and then it belongs to the person who created the work (or their employer, with additional caveats not relevant here). (law.stackexchange.com)
With the inclusion of tree - ring data, which is arguably less reliable, recent warming is anomalous compared to temperatures even further back — for the last 1700 years — although the team includes additional caveats for this analysis. (environmentalresearchweb.org)
There are a few additional caveats, but they can be tolerated for a voucher worth between $ 10k - 20k value (if you're flying first class)! (upgradedpoints.com)