There are plenty of harmful effects from using regular cleaning chemicals. These chemicals release terrible substances in the environment that are harmful to humans, plants, animals, etc. These chemical pollute the air and any surrounding water as well. The harmful substances released into the environment are called Volatile Organic Compound (VOC). 

Most products that create vapor or have a scent to them contain these VOCs. These substances induce asthma, eye irritation, skin irritation, reactions, etc. VOCs are actually even regulated by law because of all the harmful effects on humans and indoor air quality. 

Additionally, a lot of cleaning chemicals have carcinogens in them. Carcinogens are substances capable of causing cancer in living tissue. So to stay away from VOCs and carcinogens, Green Cleaning has been invented and utilized by many different cleaning companies. Companies such as: http://www.yananecofriendly.com/ , https://www.newlinecleaning.com/ , http://www.ecocleanology.com/.