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5 October, 2010 - 00:31
Our planet has become very crowded, very quickly. According to economist and Earth Institute director Jeffrey Sachs, the world's population has grown by 4 billion, from 2.6 billion to 6.6 billion, in just sixty years. Over that same period, the population of sub-Saharan Africa has increased from 180 million to 820 million, while the population of Asia Minor has quadrupled, from 51 million to 220 million. Global economic activity has increased even faster, with gross world product having risen a staggering eight times since 1950 and a hundred times since the start of the industrial era.
All those people and all that economic activity have greatly stressed the planet's natural systems. In almost every region of[...]
[Published in NonProfitBlogs - Read the original article]
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