People who study the effects of human activity on earth land, air, water, and living things are?

People who study the effects of human activity on earth, land, air, water, living things are called Environmental chemists. Environmental chemistry is the scientific study of the chemical and biochemical phenomena that occur in natural places. It should not be confused with Green chemistry, which seeks to reduce potential pollution at its source. A person who studies air soil and water under this category is called an Environmental scientist.