People and Planet: Full edit with the audience Q&A session

Broadcaster and naturalist Sir David Attenborough presents the 2011 RSA President's Lecture.

The dangers facing the earth's ecosystems are well known and the subject of great concern at all levels. Climate change is high on the list. But there is an underlying and associated cause -- population growth.

Видео People and Planet: Full edit with the audience Q&A session канала RSA