Start with high-confidence environmental chemistry books, then narrow by subgenre or adjacent topics.
Waste Wars
Alexander Clapp
The Devil's Element
Dan Egan
Environmental Toxicology
Q. R. Mackey, Mahipal Singh Sankhl
They Poisoned the World
Mariah Blake
Slow Death by Rubber Duck
Rick Smith, Bruce Lourie
Toxic Legacy
Stephanie Seneff
Kaiden Higgins
Amphibian Species in Environmental Risk Assessment Strategies
Marcelo L Larramendy, Guillermo Eli Liwszyc
Environmental and Biochemical Toxicology
Jürgen Gailer, Raymond J. Turner
Green Chemical Processes
Mark Anthony Benvenuto, Larry Kolopajlo