All our environmental problems become easier to solve with fewer people and harder - and ultimately impossible to solve - with ever more people.
Interpretation
Fewer people make environmental issues easier to address, while more people complicate and worsen these challenges.
David Attenborough's quote highlights the relationship between population growth and environmental degradation. He argues that as the global population increases, the solutions to environmental problems become increasingly complex and difficult to achieve, suggesting that a smaller population would ease the burden on natural resources and ecosystems.
In practice
During a lecture on climate change, one might quote Attenborough to emphasize the impact of overpopulation on environmental efforts.
I don't think we are going to become extinct. We're very clever and extremely resourceful - and we will find ways of preserving ourselves, of that I'm sure. But whether our lives will be as rich as they are now is another question.
I'm against this huge globalisation on the basis of economic advantage.
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.
There's a small worm called Loa Loa Filariasis. This parasite can survive in one environment exclusively- namely, underneath the skin and inside the eyes of human beings. Children and the elderly in tropical regions (usually the poorest) are the most widely affected. A painful, slow death is virtually certain. The worm can actually live in the host for 17 years before the host finally dies.
The fundamental issue is the moral issue.
It is vital that there is a narrator figure whom people believe. That's why I never do commercials. If I started saying that margarine was the same as motherhood, people would think I was a liar.
I lingered round them, under that benign sky; watched the moths fluttering among the heath and hare-bells; listened to the soft wind breathing through the grass; and wondered how anyone could ever imagine unquiet slumbers for the sleepers in that quiet earth.
Pacific Islands are among those that contribute least to global warming, yet suffer most.
If you lose touch with nature you lose touch with humanity. If there's no relationship with nature then you become a killer; then you kill baby seals, whales, dolphins, and man either for gain, for "sport," for food, or for knowledge. Then nature is frightened of you, withdrawing its beauty. You may take long walks in the woods or camp in lovely places but you are a killer and so lose their friendship. You probably are not related to anything to your wife or your husband.
Should you shield the canyons from the windstorms you would never see the true beauty of their carvings.
People need open space. People need to bring their children into an area where they can play without restriction." And I was told, "This is development." And I said, "That is not development, definitely not sustainable development, definitely not responsible development. People need fresh air. They can do without buildings. They can do without concrete. But they cannot do without fresh air.
The first law of ecology is that everything is related to everything else.
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