The day is celebrated to raise global awareness about the significance of a healthy environment and to solve various environmental issues by implementing some actions to protect nature and Earth, leading to a positive and healthy environment for all. World Environment Day is run by the United Nations Environment Programme (UNEP).

This year's theme has encouraged a fight against wildlife crime. The day was established in 1972 by the United Nation, after this United States instituted the Earth Day.

On World Environment Day, listed are some facts and what we can do to support this day:

• This day was established by the UN General Assembly in 1972

• The United Nation organisation calls the holiday its "principal vehicle for encouraging worldwide awareness and action for the environment"

• The anniversary of the Stockholm Conference is celebrated as World Environment Day every year. The conference was held by UN on the Human Environment

• Each year, the emphasis on World Environment Day is placed on a certain topic of earth crisis

• The name of the topic is usually decided by vote around March 1

• The theme of this year is " Zero Tolerance for the Illegal Wildlife trade "

• This year's theme has encouraged a fight against wildlife crime

• As per UNEP, the growing 'illegal trade in wildlife products is eroding Earth's precious biodiversity and robbing us of our natural heritage.'

• All the illegal trade has been pushing species into extinction

• More than 100 countries are involved in the public outreach holiday

• The UN website says that it received a total of 6,437 pledges in 2014

Here is what you can do on World Environment Day:

• You all can start from your home. Build a little garden or start with a sapling

• Fertilize public trees and gardens

• Clean the roads around your house

• Say 'NO' to public transportion

• Buy items made from recycled products.