use of the world’s natural resources, Ahmed Djoghlaf, executive
secretary of the UN Convention on Biological Diversity, told Reuters.
"This growth of cities is not in developed countries, but in
developing countries where there is still biodiversity. We want to
make sure that this growth is not at the expense of biodiversity," he
Half of the world’s population lives in urban areas, according to the
UN. That proportion is expected to rise to two-thirds by 2050.
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