News for hackers. Stuff that matters.
Re:EPA Science Under Scrutiny by Trump Political Staff by comex on Wednesday January 25, 2017 @09:15PM (#13488173)
Not a paper, but this NASA site is pretty good:

http://climate.nasa.gov/evidence/

(Better hurry before it gets taken down…)

Or look at the IPCC's Synthesis Report:

https://www.ipcc.ch/pdf/assessment-report/ar5/syr/AR5_SYR_FI...

Re:EPA Science Under Scrutiny by Trump Political Staff by acqq on Wednesday January 25, 2017 @09:19PM (#13488188)
If it's about the sites, I like this short and animated:

https://www.bloomberg.com/graphics/2015-whats-warming-the-wo...

(Always press down arrow to get the next page)

To understand why people are obsessed with "just around a degree" of observed change, see this xkcd comics to get an idea how fast the change is compared to what we know (and we, be sure, do!) about the past:

https://xkcd.com/1732/