Examples of workers having to endure extreme temperatures: http://www.mcall.com/news/local/amazon/mc-allentown-amazon-complaints-20110917-story.html http://www.mcall.com/news/local/amazon/mc-amazon-workers-left-out-in-the-cold-20120123-story.html
Also, Amazon was part of ALEC, a secretive right-wing corporate-funded "bill mill" that was until a few years ago relatively unknown: http://sourcewatch.org/index.php?title=Corporations_that_Have_Cut_Ties_to_ALEC. (Amazon quit due to a lot of public pressure.)