Pollution caused by noise.
NGO is a nongovernmental organization (NGO) is any group outside of government whose purpose is protection of the environment. Read more..
Nonpoint source pollution is a term used when it’s impossible to identify one single source origin of pollution such as a factory or the place dumping of chemicals occurred. Read more..
Not capable of being recycled or used again.
Non Toxic is simply the term that tells that the product is not poisonous.
Nonviolence is a term used to describe political actions performed without the use of violence. Gandhi was the first in modern times performing such actions against the British Empire while setting the India then colony free. Read more.