Here: pubmed.ncbi.nlm.nih.gov/35948114/#:~:text=Numerous%20studies%20have%20shown%20that,%2C%20mutagens%2C%20and%20endocrine%20disruptors.
Not only is it bad for the environment but it's probably bad for your health too.
The issues are still being investigated, but:
"Numerous studies have shown that chemicals identified in artificial turf, including polycyclic aromatic hydrocarbons (PAHs), phthalates, and per- and polyfluoroalkyl substances (PFAS), are known carcinogens, neurotoxicants, mutagens, and endocrine disruptors."