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.
For $5 a month, you'll gain access to over 50 patron-exclusive documentaries while keeping us ad-free and financially independent. We need 350 more Patrons to grow our team in 2024.
Subscribe here
Our 6000+ video library is 99% free, ad-free, and entirely community-funded thanks to our patrons!