<b>Ecotoxicology Study aspects</b> Environmental contamination is not new but the efforts to do something about it are originated from the widespread concern caused by atmospheric testing. Ecotoxicology is concerned with the toxic effects of chemical and physical agents on living organisms, especially on populations and communities within defined ecosystems it includes the transfer pathways of those agents and their interactions with the environment. Environment, Toxic chemicals, Agents Pollution 1255-1256 Issue-3 Volume-2 Deepthimahanthi Divya