What is light pollution?

  • Diana Mioara Gheorghe, School ,,George Emil Palade" Ploiesti, Romania 

    We celebrated the day of the Earth.(22 April)

    We have watched movies about Terra (her beauties, pollution, environmental protection), we have made Earth 3 D and the book of the Earth.

    Ana Clara Grecu, Liceul Tehnologic Carol I, Valea Doftanei, Romania