Feature Article

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Revised ozone standard angers environmentalists

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The US Environmental Protection Agency (EPA) is once again under fire for ignoring its science advisers

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Purification with a pinch of salt

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Climate change, growing populations and political concerns are prompting governments and investors from California to China to take a fresh look at desalination. March 20, 2008

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A fresh approach to water

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The water shortage that threatens humanity will have wide-ranging consequences for agriculture and energy production, requiring significant shifts in the way this precious resource is managed.

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Still in troubled waters

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At the time of destructive floods, the distress of affected people attracts attention but, unfortunately, as soon as the flood waters recede they are forgotten.

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Science and technology for water purification in the coming decades

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One of the most pervasive problems afflicting people throughout the world is inadequate access to clean water and sanitation.

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The energy challenge

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Global energy consumption is expected to grow by 50% by 2030, squeezing already scarce water resources. Mike Hightower and Suzanne A. Pierce recommend ways to integrate water and energy planning.

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Improving on haves and have-nots

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All-or-nothing targets for global access to basic amenities such as drinking water and sanitation are outdated. The time has come for a more fluid approach. March 20, 2008

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Water: Muddy waters

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India is considering an ambitious plan to link the majority of its major river basins through a vast network of canals, diverting billions of litres from the country's more water-rich river basins to

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Water: More crop per drop

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Water (either from the sky or the irrigation canal) is often a key factor in determining crop yields, squeezing more crop out of the same drop will be central to one of the biggest challenges of this

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Water: Purification with a pinch of salt

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Climate change, growing populations and political concerns are prompting governments and investors from California to China to take a fresh look at desalination : a report. March 20, 2008

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