I do not want to be mean, but can you not just read existing material on Human population growth, pollution and global warming.For a start you can try high school environmental science book.Then may be you can come up with some counter-evidence with hard facts (like shaking up the environmental sciences pile of data of over 50 years).
I've read lots of existing material, including all of the IPCC reports that have been produced to date. If you think those reports, for example, consist of "hard facts", or a "pile of data" that requires detailed refutation if I don't want to buy into somebody's hysterical declarations of a planetary emergency, then there's not much point in further discussion.
As for a high school environmental science book, surely you jest. A politically correct textbook produced for politically correct state-run schools?