Rio+20 – time to rethink the way we use natural resources

In the 20-year gap between the two Rio summits (1992 – 2012), the earth’s population has grown from 5.4 billion to more than 7 billion – a leap of almost 30 %.  This has had a knock-on effect on global use of natural resources, in tandem with increasing per capita consumption levels. Although greenhouse gas...

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