If we’re not careful, water may not be clean enough or available when we need it.
The water that replenishes groundwater, rivers and lakes is under threat from climate change, pollution and aging infrastructure.
Millions of people in the Horn of Africa lack safe, reliable and affordable water throughout the year.
Drought-driven humanitarian emergencies can be prevented if groundwater is reliably made available at strategic locations.
The real crisis with water supply is that South Africa doesn't know what it doesn't know.
Wetlands are an important resource that needs to be taken better care of.
Diani Beach, Kenya.
Government leadership is needed to manage the aquifer as a system for all, including environmental services, rather than for the powerful few.
A woman draws water from a well in Wereta, Ethiopia.
Good news – underground aquifers could be a reliable source of drinking water in sub-Saharan Africa even as the climate warms.
Micha Berry of the city of Fresno, Calif., which relies heavily on groundwater for its drinking water supply, repairs a groundwater well pump in 2013.
AP Photo/Gosia Wozniacka
Millions of Americans rely on groundwater for their lives and livelihoods, but regulation is piecemeal. A new study maps groundwater wells nationwide and finds that they are drilling steadily deeper.
The Galilee waterhole is part of the area potentially affected by Adani’s Carmichael mine.
Adani's request for the names of individual scientists reviewing their groundwater management plan has chilling implications for scientific independence.
Adani Australia CEO Lucas Dow has now collected all the necessary approvals.
AAP Image/Dan Peled
It's been years in the making, but Adani's controversial Queensland coal mine is finally shovel-ready. Yet significant scientific questions remain, such as the impact on the region's aquifers.
The Carmichael coal mine could cause irreversible environmental damage.
Adani has promised to fix its groundwater plan – but that might not be possible.
Cenota Samula sinkhole in Yucatan, Mexico.
The effects of climate change above ground are well known, but what's happening to underground aquifers which supply most of the world's fresh water?
Banking water ensures a steadier, reliable supply in future.
Banking water minimises the impact of evaporation and means that water can also be recycled from various sources.
Sunrise in the Salinas Valley, an agriculture hub of central California. Depleted aquifers have left once-valuable cropland useless.
Groundwater supplies around the world are under threat as drilling companies bore deeper and deeper wells.
A woman draws water from a hand pumped well in northern Ghana.
Many African countries tend to mismanage their groundwater resources.
Groundwater is used extensively in arid regions like South Africa’s Karoo.
Groundwater is often seen as a resource that never runs out. This isn't true.
Water from an irrigation system sprays flowering cotton plants on the farm of Allen Entz in Hydro, Okla, Aug. 16, 2012.
AP Photo/Sue Ogrocki
The Ogalalla Aquifer is a vast underground lake that irrigates farms across the US Great Plains. It took thousands of years to fill, but human use could drain it in roughly a century.
The more the market is willing to pay, the harder it is to regulate water use.
Residents of a small Victorian town realised that delicious water can be a curse as well as a blessing, when they lost a legal battle to stop a local farmer shipping groundwater to a nearby bottling plant.
Which council has Australia’s best-tasting water?
Every year councils around Australia compete to prove they have the best-tasting tap water in the country.
The future of Perth’s urban wetlands is in doubt.
Perth, unlike Cape Town, faces no prospect of its tapwater running out. But other problems lurk beneath the surface, as the city's drying climate puts increasing pressure on irrigation and wetlands.
Deep dive: water flows from a bore in Birdsville, Queensland.
Groundwater is out of sight, but it shouldn't be out of mind. As cities struggle to cope with drought, we should remember that our largest stocks of water are hidden deep underground.