Based on 6 Glassdoor salary reports at Amazon, Environmental Engineers earn about $114K - $183K in total pay nationwide. Base pay lands around $91K - $140K, with bonus and stock often adding more on top.
I also found 35 Amazon Environmental Engineer jobs on Glassdoor, so this is a real hiring pocket, not a one-off. You can narrow those down by pay, company, or remote/on-site status.