The climate, the economic situation, rising birth rates; none of these things give me a lot of hope or reason to be optimistic.
David AttenboroughAll our environmental problems become easier to solve with fewer people and harder - and ultimately impossible to solve - with ever more people.
David AttenboroughFundamentally not to waste energy. If we were all to reduce our demands for energy, it would make an enormous amount of difference.
David AttenboroughI'm swanning round the world looking at the most fabulously interesting things. Such good fortune.
David Attenborough