I watched all latest David Attenborough documentaries and this one is just as good. Footage is amazing, this is an undertaking of gigantic proportions. As for the "political" part, all I can say to those climate change deniers is to paraphrase JFK during The Cuban Missile Crisis: If we ... do what they want us to do (which in this case is nothing), none of us will be alive later to tell them that they were wrong.