CLEAN : Zoologist Payne encourages politicians to be brave at COP21

The video discusses the importance of global cooperation to address environmental challenges. It emphasizes the need for bottom-up initiatives and binding agreements to protect the planet. The speaker urges politicians to be brave and take action against pollution, highlighting the interdependence of humans and other species. The video concludes with a call to action, stressing the urgency of the situation.

What does the speaker hope will happen regarding human life on earth?

What is the biggest threat that Wales faces according to the text?