Articles on water management

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The white “bathtub ring” around Arizona’s Lake Mead (shown on May 31, 2018), which indicates falling water levels, is about 140 feet high. AP Photo/Ross D. Franklin

Western states buy time with a 7-year Colorado River drought plan, but face a hotter, drier future

Western states adopted a 7-year plan in May 2019 to manage low water levels in the Colorado River. Now they need to look farther ahead and accept that there will be less water far into the future.
Chemicals poured down the sink or pumped into the atmosphere can eventually end up in the groundwater, which means less available fresh water for us to use. Flickr/Kamil Porembiński

Curious Kids: how is water made?

While making small volumes of pure water in a lab is possible, it’s not practical. The reaction is expensive, releases lots of energy, and can cause really massive explosions.
When a stream enters a culvert, the flow can be concentrated so much that water flows incredibly fast. So fast, in fact, that small and juvenile fish are unable to swim against the flow and are prevented from reaching where they need to go to eat, reproduce or find safety. Shutterstock

How did the fish cross the road? Our invention helps them get to the other side of a culvert

Our new invention tackles one of the greatest impediments to fish migration in Australia: culverts, those tunnels or drains often found under roads.
The EVA Lanxmeer development in the Netherlands provides a model for how to incorporate green infrastructure in all aspects of the planning process. Tony Matthews

Here’s how green infrastructure can easily be added to the urban planning toolkit

Green infrastructure can be delivered relatively easily using existing planning processes. The main obstacle could be psychological: planners are wary of disruption to embedded practices.
There are still concerns over the impact of upstream coalmines on water in the Warragamba Dam, a key part of Sydney’s water network. AAP Image/Dean Lewins

Cuts to WaterNSW’s science staff will put Sydney’s water quality at risk

The cutting of senior staff from WaterNSW, the body that oversees the safety of Sydney's water supply, poses serious risks to Australia's most complex water network.

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