Yes ... mathematicians calculate things ... "From Maxwell's Field Theory Equations, calculate the work performed by carbon dioxide in the atmosphere at 280 ppm and 425 ppm" ... [shrugs shoulders] ... when you're older enough to take science classes in high school, this will be made more clear to you ...
As far as the dataset ... that would be in the deep web ... the trick is finding the data loaded into a table that your database can read ... mySQL is freeware and robust and probably the easiest table to find ... have you looked? ...
St. Louis ...