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Land & water pollution

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Science at Rio+20 by iStock/RapidEye

Latest on Rio+20

We track the news on science, technology and the Rio+20 Earth Summit
Water drops - Flickr/fox_kiyo

Water, land, energy

Innovation and policy for sustainable development have to look at water, land and energy in a holistic manner, report says

From GM crops to forestry

Learn more about the challenges of feeding our growing population versus caring for our planet
Well drilling in South Sudan - Flickr/Water for South Sudan

Under the surface

More tech and collaboration is needed before Africa's huge groundwater resources can quench its thirst