It’s in the 20th century that development and application methods and technologies aiming at reducing the effects of pollution began gaining popularity. It has even resulted to governments adopting regulatory and legislative measures to curb the negative effects of pollution and set up environmental quality standards. Apart from this, the century has seen international conventions aimed at restoring the ecosystem come to birth. An example is the Rio+20 by the United Nations that was ratified in December 2015 by member countries. Goal 7 of the ratified sustainable goals has a special focus on environmental conservation with goal 5 emphasizing … Read the rest