Dams

Dams threaten China's 'Grand Canyon of the east'

china

Chinese environmental groups warn that government plans for a slew of hydroelectric dams on the pristine Salween river could jeopardise biodiverse ecosystems and indigenous cultures.

Store surplus water underground, not in dams: study

The groups propose a new plan with two five-year stages to restore habitat, boost research and continue community programs.

Surplus rainwater should be stored underground instead of in dams to prepare for drought, a scientific study says.

Coalition readies $30b plan for 100 dams: report

Warragamba Dam.

Opposition Leader Tony Abbott is reportedly considering building up to 100 dams across the country as part of a plan to prevent floods, fuel power stations and irrigate food bowls.

WA dams set to dry up by summer's end, expert warns

Water tap.

Courtney Trenwith Perth's drinking water supplies from dams will run out by the end of next summer even with decent rainfall, according to predictions by the Centre for Water Research.

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Big boost for Sydney's dams

The heavy rain that drenched Sydney last week may have caused havoc for some, but it delivered a healthy boost to the dams.

Melbourne dams back up to two-thirds full

Years of anxiously watching dam levels fall are over for Melburnians, with water storages back up to two-thirds full.

Overfishing and dams driving freshwater fish towards extinction

Rare sight ... the Mekong giant catfish is under threat.

Richard Gray, London Freshwater fish are the most endangered group of animals on the planet, with more than a third facing extinction, according to a report British scientists are preparing.

Wild weather hinders search for deckhand

Ellen Lutton Torrential rain and wild weather are hampering the search for a 39-year-old deckhand who was washed overboard from a boat off the Gold Coast on Friday morning.

River researchers may face axe

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Tom Arup The key scientific centre studying the environmental health of the Murray-Darling is preparing to cut staff and research in the wake of state government budget cuts to the authority overseeing the...

Fears for Snowy River as scientists ditched for industry-funded group

Snowy River meeting the sea at Orbost.

Ben Cubby, Tom Arup The future of environmental flows into the Snowy River are in doubt after the NSW government released a plan to replace its independent scientific committee with an industry-funded advisory group.

Experts split over value of raising dam wall

Warragamba Dam overflowing.

Peter Hannam, Ben Cubby RAISING the Warragamba Dam wall by 23 metres will cost up to $800 million, it has been claimed, with experts divided over its value for reducing flooding.

Climate change adds to Mississippi's toll

Global warming, linked to near-record low water levels on the Mississippi River this year as well as last year's severe floods along the Missouri River, is making life on America's major river system.

Algae find prompts beach fears as mercury rises

Crimson tide ... An algal bloom turns the water red near Torquay.

Deborah Gough As Victoria endures one of its hottest November days, authorities are warning beachgoers to avoid going near an algal bloom off the Surf Coast at Torquay.

Mine approved despite water catchment fears

 Dendrobium Mine at Mt Kembla

Ben Cubby, Samantha-Jo Harris A NEW coalmine approved by the NSW government could cause ''significant cracking'' in the bedrock underneath Sydney's drinking water catchment, the Sydney Catchment Authority said.

Rescues and dam releases as deluge hits

A teen is rescued in Rockhampton.

Staff reporters Authorities have found a man previously feared to have been in a car which was swept off the road by flooding in central Queensland.

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The pros and cons of 'super-grids'

Electricity

John Kemp The concept of a "super-grid" capable of moving huge amounts of electricity over long distances is popular with environmentalists and governments keen to promote the integration of more renewables...

Out of sight, out of mind: groundwater in peril

Dripping tap

A doubling of Australia's population in coming decades combined with the crippling effects of future droughts means there will not be enough drinking water by the middle of this century if...

Murray-Darling gets biggest drink this winter

Rain is spreading across such a large area of eastern Australia that it is likely to drench the Murray-Darling Basin with its biggest falls since March.

Canberra can cope with return of drought

Lisa Cox Canberra has little to fear from a return to drought conditions, according to the ACT's water utility.

Coal seam gas miner denies poisoning trees

A coal seam gas operator denies claims contaminated water has leaked from a dam at a project in north-west NSW, killing trees.