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Regional organizations like the European Union and African Union claim that sustainable development is an important part of their remit.  Professor Jonathan Verschuuren considers how successful they are in putting this idea into practice.

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photo credit: leafy via photopin cc

As you will no doubt be aware if you have visited the Google UK homepage—which currently features an elaborate interactive mountain scene spanning the cycle of the seasons—today is Earth Day 2013.  Every year on April 22nd, over a billion people across the globe acknowledge this event, voicing their concerns for the planet and taking action to protect it.  

In the following article, Dr Pushpam Kumar discusses how economic valuation and the subsequent design of innovative response tools, such as payment for ecosystem services (PES), has the potential to increase transparency in policies designed and implemented to manage ecosystem services across time and space.

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