Taking millions of gallons of water permanently out of the Colorado River amid a prolonged drought would surely start an interstate fight.
In periods of water stress, farmers need support, research assistance and empathy from governments and competing water users.
The history of the rubber 'boom' reveals why.
The situation in Perth in particular has some parallels to that of Cape Town, but Australian cities responded to the last big drought by investing in much bigger water supply and storage capacity.
Many countries in eastern and southern Africa rely on hydropower for electricity generation and there are plans for several more dams.
The region relies on seasonal flooding, yet energy demand is year-round.
Constructing large dams can provide much needed electricity for Myanmar. But this can also threaten the livelihoods of millions.
As Houston continues to rescue residents whose homes were ruined, it also begins to deal with issues related to contaminated floodwaters and overflowing reservoirs. It won't be easy.
The American Society of Civil Engineers gives US infrastructure a D+. What is it that we're doing wrong?
Dams are once again being recognised as important key contributors to a prosperous and sustainable future.
If the river islands are bombed away and if the riverscape is engineered into something more like a large artificial canal, then endangered species face extinction.
A reliable water supply from Australia's mountain catchments depends on intact and functioning ecosystems.
Old and degraded infrastructure costs the United States money and puts lives at risk. A civil engineer describes some innovative ways to measure risks and prioritize repairs.
For a small price, Donald Trump could score the easy win he's been waiting for.
We're working on a project to map all of Europe's waterways and dams.
At the heart of the Himalayas, the ongoing conflict between China and India for the hydro-power race will affect the whole region.
The Grand Ethiopian Renaissance Dam, under construction on the Blue Nile, will bring electricity and wealth to East Africa, but could also have harmful environmental and political impacts.
Mega development projects can have a positive impact. But there are risks. Between 2004 and 2013, some 3.4 million people were ‘physically and economically displaced’ by World Bank projects alone.
The construction of dams in Africa, in some cases, bring an unintended consequence – an increase in malaria in the surrounding areas.
Freshwater is one of the most threatened resources on Earth. Dragonflies can tell us what we need to know about the state of this precious resource.