Here I did some quick googling which might help you.
I really hope those who deny climate change take some time to educate themselves. This isn't some policitical left - right argument. This is really hapenning.
"The science of global warming"
https://www.sciencedirect.com/science/article/pii/S1674927812500377
CO2, the greenhouse effect and global warming: from the pioneering work of Arrhenius and Callendar to today's Earth System Models
https://www.sciencedirect.com/science/article/pii/S0160932716300308
List of scientific organisations which agree on climate change - heres that consensus
https://climate.nasa.gov/scientific-consensus/
Experimental evidence for significant increase in the earths greenhouse effect consistent with concerns over radiative forcing of climate.
https://www.nature.com/articles/35066553
Well presented monthly co2 averages
https://climate.nasa.gov/vital-signs/carbon-dioxide/
Ocean acidification caused by co2
https://www.annualreviews.org/doi/abs/10.1146/annurev.marine.010908.163834
I hope you enjoy reading your first scientific papers.
