Articles on Dams

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As many people have had to wade through floodwaters, they need to be aware of the risk of infection and disease from contaminated waters. AP Photo/David J. Phillip

Flooding from Hurricane Harvey causes a host of public health concerns

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.
A degraded wetland in the Pilot Wilderness area, Kosciuszko National Park, is subject to increasing numbers of feral horses. Graeme Worboys collection

Snowy hydro scheme will be left high and dry unless we look after the mountains

A reliable water supply from Australia's mountain catchments depends on intact and functioning ecosystems.
The Ethiopia’s Grand Renaissance Dam will bring more power to Ethiopia but is already creating tensions over water rights with its neighbors Sudan and Egypt. Tiksa Negeri/Reuters

The most important dam you probably haven’t heard of

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.
The Koka Reservoir in Ethiopia. Steps have been taken to reduce malaria infections without sacrificing the primary purposes of the dam. David Stanley/Flickr

How building new dams is adding to Africa’s malaria burden

The construction of dams in Africa, in some cases, bring an unintended consequence – an increase in malaria in the surrounding areas.
Spangled perch are one of Australia’s strongly migratory native fish. After storms in January 2015 these fish were actively travelling up a flooded road in outback Northern Territory. Jessica Brown

We can have fish and dams: here’s how

Freshwater fish are declining everywhere, in part thanks to dam-building. But we can have both.

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