From capturing fog to towing icebergs, these technologies could help reduce water shortages.
The projected loss of water storage on land as global temperatures rise is especially alarming in the Southern Hemisphere – and in parts of the US.
To continue to sustain or grow populations — and economies — more is going to have to be done with the same amount of water, or even less.
Although China's tree-planting efforts have increased carbon sequestration for climate mitigation and protected the soil from erosion, they have also led to drastic water shortages.
Despite more rainfall, devastating hot and dry spells are projected to become more frequent in the Upper Nile basin in the future.
The Nationals have stoked opposition to the Murray Darling Basin Plan at every opportunity. Now they cannot contain the fury of rural voters.
Climate change is already worsening the chaos attendant on resource shortage – and, therefore, death rates.
It's long been known that our diet choices help determine our carbon footprint. But do you know which of your favourite foods are the most water-hungry?
Peruvian glaciers have shrunk by 25% since 1987, causing water shortages in rural villages. But ancient technology could help manage this precious resource.
Climate change threatens the water supply of nations around the world. But it's difficult to measure whether a region has sufficient water to satisfy the people who live there. Could satellites help?
Wastewater reuse suffers from a perception problem.
Banking water minimises the impact of evaporation and means that water can also be recycled from various sources.
Research shows water restrictions can mean well-off households have to cut down on leisure and luxury. For disadvantaged households, and particularly women, it is a different story.
Energy-efficient water supply is a wicked problem – and we might have found a way to solve it.
Unless African cities improve water management many will face severe water problems by 2035.
It's important to be wary of planting trees in places where none exist, or where there are significant water constraints.
Cape Town's water crisis holds valuable insights for other cities that need to adapt to the realities of climate change.
Bangalore's forgotten water wells are being revived, to help the city overcome centuries-old supply issues.
Climate change plus population growth means the city has to act soon.
Small solutions done properly can play a huge role in dealing with water scarcity.