"Little by little people are understanding that we need to change, but whatever we decide to do in next 10 to 15 years will decide the future of biodiversity on Earth."

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Biodiversity can't be maintained by protecting a few species in a zoo, or by preserving greenbelts or national parks. To function properly, nature needs more room than that. It can maintain itself, however, without human expense, without zookeepers, park rangers, foresters or gene banks. All it needs is to be left alone.

— Donella Meadows