I would be absolutely astounded if population growth and industrialisation and all the stuff we are pumping into the atmosphere hadn't changed the climatic balance. Of course it has. There is no valid argument for denial.
David AttenboroughThe correct scientific response to something that is not understood must always be to look harder for the explanation, not give up and assume a supernatural cause.
David AttenboroughIt was regarded as a responsibility of the BBC to provide programs which have a broad spectrum of interest, and if there was a hole in that spectrum, then the BBC would fill it.
David Attenborough