On this day , students and teachers from PGEA organized afforestation.
. International Day of Earth (known as Earth Day ) Earth Day -22 April is secular holiday in the world , celebrated by more than half a billion people . Each year, the International Network for Earth Day coordinate the actions of more than 12,000 partners in 174 countries aimed at protecting the Earth and preserve life on it. The network strives to create broad public support for sustainable and effective environmental policies for development around the world.