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Species of plants, animals and other categories of living things are disappearing. And millions of people still live in extreme poverty. But is there a connection? For example, is the ongoing1 destruction of the Indonesian rainforest driven by the economic development of Indonesians? Or is the global demand for wood products to blame? Is it a combination? Or are there other factors that are more important?
The bad news is that answer isn’t clear. And the worse news is that the world's countries have not lived up to their pledge under the Convention on Biological Diversity to reduce the rate of species loss by 2010.
One reason for that failure: no one has agreed on what are true indicators2 of whether biodiversity is being preserved or lost. So argues Matt Walpole of the United Nations Environment Programme in this week's issue of the journal Science.
There’s a lack of good data from the front lines of the biodiversity crisis in the developing world. And even good data doesn't extend far enough back into time to make good judgments3 possible.
What is clear is that an approach that looks at both biodiversity and poverty is going to be needed. To give just one example of how the two can work together, producing more crops per acre can both help poor farmers and preserve existing forests.
Economist4 and Scientific American columnist5 Jeffrey Sachs argues in the same issue of Science that a new global treaty addressing biodiversity is needed—one that is paired explicitly6 to poverty alleviation7. So that’s the challenge ahead: providing for the 9 billion humans expected to be alive in 2050 without destroying the world’s remaining wildlife.
1 ongoing | |
adj.进行中的,前进的 | |
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2 indicators | |
(仪器上显示温度、压力、耗油量等的)指针( indicator的名词复数 ); 指示物; (车辆上的)转弯指示灯; 指示信号 | |
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3 judgments | |
判断( judgment的名词复数 ); 鉴定; 评价; 审判 | |
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4 economist | |
n.经济学家,经济专家,节俭的人 | |
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5 columnist | |
n.专栏作家 | |
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6 explicitly | |
ad.明确地,显然地 | |
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7 alleviation | |
n. 减轻,缓和,解痛物 | |
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