Plantar milions d’arbres, un nou repte científic

https://www.lavanguardia.com/natural/cambio-climatico/20190705/463293114197/plantar-mas-de-500000-millones-de-arboles-nuevo-reto-cientifico-contra-la-crisis-climatica.html?utm_term=botones_sociales&utm_source=whatsapp&utm_medium=social