Things that harm the environment, there are many. The combination of several characteristics of the waste is toxic waste that combustible waste that can easily be acid or alkaline reaction, when made with scrap, other substances with poisonous gas, the waste is radioactive and chemical waste which disease is confused.
For example, from the industrial plant. Leave the rest of the chemicals used to air and rivers, canals, causing harm to the environment from transportation. Carbon emissions and smoke out of the exhaust of a car engine boat or plane of the toxic gas carbon monoxide have and lead are toxic substances of very fine chemicals from fertilizer and pest. Using chemicals to help in the eradication of pests, causing toxic residues in agricultural produce. Food and soil use, cultivation and toxins that are at list of environmentally harmful to human beings, we are the same.