"The question is, are we happy to suppose that our grandchildren may never be able to see an elephant except in a picture book?"

This quote by David Attenborough is a contact us to activity to secure the environment and the varieties that populate it. He is asking us to take into consideration the repercussions of our actions and how they will impact future generations. He is recommending that if we do not take action now, our grandchildren might never ever have the opportunity to experience the appeal of an elephant in the wild. He is stressing the value of protecting the environment and also the species that occupy it, to make sure that future generations can experience the same marvels that we have. He is asking us to think of the heritage we are leaving for our grandchildren and to do something about it currently to make sure that they can experience the very same wonders that we have.