1) How can we achieve a sustainable existence on earth? 2) How did humankind change the world? 3) What is Anthropocene? 4) What is the main issue about the planet? 5) What is our plan to save the planet? What are the 4 goals we could concentrate on?

Leaderboard

Estilo ng visual

Mga pagpipilian

Magpalit ng template

Ibalik ng awtomatikong pag-save: ?