Michael Mann https://en.wikipedia.org/wiki/Michael_E._Mann
decorated climatologist, says shits fucked: https://www.youtube.com/watch?v=6pg3RnPBXRY

Professor Jem Bendell https://www.cumbria.ac.uk/study/academic-staff/all-staff-members/iflas/professor-jem-bendell.php
says shits fucked:
short version: https://www.counterpunch.org/2018/08/03/the-end-of-the-line-a-climate-in-crisis/
long version: http://www.lifeworth.com/deepadaptation.pdf

Dr. Peter Carter who frequents climate panels and acts as an advisor to the IPCC
https://www.youtube.com/watch?v=Z5CrUgBn3uM

Anthony Ingraffea, fracking whistleblower http://www.cee.cornell.edu/people/profile.cfm?netid=ari1
says that fracking methane emission are 4X higher than reported, and will cause 2° C warming (catastrophic) to be locked-in by 2030 or earlier https://www.youtube.com/watch?v=PGfIjCG-zB4

If we do not drastically reduce our emissions within 5 years, society might collapse 2040:
https://www.independent.co.uk/environment/climate-change/society-will-collapse-by-2040-due-to-catastrophic-food-shortages-says-study-10336406.html

Sixth mass extinction study http://www.pnas.org/content/114/30/E6089

Climate change out of control study http://www.pnas.org/content/early/2018/07/31/1810141115
(runaway climate change that might make the planet inhabitable could well be within reach of just 2° warming)

https://www.sciencealert.com/international-climate-change-reports-tend-toward-caution-and-are-dangerously-misleading-says-new-report

CO2 BASICS: https://www.climate.gov/news-features/understanding-climate/climate-change-atmospheric-carbon-dioxide

CONSENSUS MYTH AND OTHER BULLSHIT DEBUNKED: https://skepticalscience.com/global-warming-scientific-consensus.htm