Tuesday, June 19, 2007

Desalination No Answer to Water Shortage

GENEVA (Reuters) - Removing salt from sea water to overcome a worldwide shortage of drinking water could end up worsening the crisis, environmental group WWF warned on Tuesday.

Desalination, the filtering and evaporation of sea water, is very energy-intensive and involves significant emissions of greenhouse gases that scientists say are a factor in the shrinking supplies of freshwater, the Swiss-based group said.

Spain, Saudi Arabia, Australia and other arid countries should rely more on water conservation and recycling and avoid huge desalination projects that have been linked to pollution and ecosystem damage. WWF says desalination no answer to water crisis (more)

Mark Alexander