Saving Water SA

Saving Water SA
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Water Rhapsody Conservation Systems.
Water Rhapsody are leaders in
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and
Rainwater Harvesting systems in South Africa with over 16 years experience and over 3000 installations.

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SA dams: a rapidly worsening water crisis

Posted by: Saving Water SA (Cape Town, South Africa) - partnered with Water Rhapsody conservation systems – 27 June 2010

By Bill Harding, a limnologist (aquatic sciences), who has been involved with issues to do with SA dams since the ’70s

South Africans will be aware that our country is not blessed with abundant rainfall, with an average of only 450mm a year, compared with the global average of 860mm a year.

Without substantial supplies of underground water, we rely heavily on water that is stored in dams. Our reliance on stored water is rendered critical by population growth and industrial expansion. Water resources per capita of population are dwindling.

Brandvlei Dam. Pressure on many dams is increasing, with a considerable portion of their inflows made up of wastewater effluents and urban runoff.

At the same time, pressure on many dams is increasing, with a considerable portion of their inflows made up of waste-water effluents and urban runoff.

The Department of Water Affairs and Environment manages 574 dams, of which 320 are major dams, each holding more than a million cubic metres of water. From this storage, irrigation uses 62%; urban and domestic use equals 27%; and mining, industry and power generation absorb 8%. Commercial forestry utilises 3%.

Evidence suggests that the quality of about 35% of the storable volume is already severely impaired – and nearly all of this in the economic heartland of Gauteng. Water quality is in fact poorest in the areas with lowest runoff and highest contribution to GDP.

Insidious and sinister changes are appearing in some dams, completely unnoticed by routine monitoring programmes. From this it may be reasonably assumed that SA would possess a national programme for reservoir management.

In recent months there have been many reports referring to a water crisis, mentioning the extreme levels of pollution in most Gauteng dams. Continue reading SA dams: a rapidly worsening water crisis

Demand management to meet India and China’s huge water needs

Posted by: Saving Water SA (Cape Town, South Africa) - partnered with Water Rhapsody conservation systems – 31 May 2010

A fight breaks out as student Vikas Dagar jostles with dozens of men, women and children to fill buckets from a truck that brings water twice a week to the village of Jharoda Kalan on the outskirts of New Delhi.

Wei River

Several thousand kilometres away, in central China, power-plant worker Zhou Jie stands on the mostly dry bed of the Wei River, remembering when he used to fish there before pollution made the catch inedible. Dagar and Zhou show the daily struggle with tainted or inadequate water in India and China, a growing shortage that the World Bank says will hamper growth in the world’s fastest-growing economies.

It also pits water-intensive businesses such as Intel’s China unit and the bottling plants of Coca-Cola against growing urban use and the 1.6 billion Chinese and Indians who rely on farming for a living.

“Water will become the next big power, not only in China but the whole world,” said Li Haifeng, the vice-president at sewage-treatment company Beijing Enterprises Water. “Wars may start over the scarcity of water.”

Water demand in the next two decades will double in India to 1.5 trillion cubic metres and rise 32 percent in China to 818 billion cubic metres, according to the 2030 Water Resources Group, a research collaboration between the World Bank, management consulting firm McKinsey & Company and industrial water users such as Coca-Cola. Continue reading Demand management to meet India and China’s huge water needs

India now worlds 5th biggest polluter

Posted by: Saving Water SA (Cape Town, South Africa) - partnered with Water Rhapsody conservation systems – 12 May 2010

India is the world’s fifth-biggest polluter, a new study confirmed on Tuesday, with its greenhouse gas emissions growing by more than 3 percent annually between 1994 – 2007.

Ganges River pollution

The Asian giant [...]

World's plants and animals at risk of collapse

Posted by: Saving Water SA (Cape Town, South Africa) - partnered with Water Rhapsody conservation systems – 11 May 2010

Far too many of the world’s plants and animals — and the wild places that support them — are at risk of collapse, a U.N. report finds, despite a global goal set in 2002 for major improvement by this year.

Frogs and other amphibians are most at risk of extinction.

Frogs and other amphibians are most at risk of extinction, coral reefs are the species deteriorating most rapidly and the survival of nearly a quarter of all plant species is threatened, the U.N. Convention on Biological Diversity said Monday in a report issued every four years.

The outlook on the planet’s ecological diversity and health is produced under a 1993 treaty since joined by most of the world’s nations. It says the planet is falling short of its goal to achieve by this year “a significant reduction in the current rate of biodiversity loss at the global, regional and national levels.”

Pollution, climate change, drought, deforestation, illegal poaching and overfishing are among the many culprits named.

U.N. Secretary-General Ban Ki-moon warns in the report that the consequences of “this collective failure” will be severe for everyone on the planet if it is not quickly corrected.

“We must give it higher priority in all areas of decision-making and in all economic sectors,” he says. “Conserving biodiversity cannot be an afterthought once other objectives are addressed — it is the foundation on which many of these objectives are built.”

The U.N. had declared 2010 would be the “International Year of Biodiversity,” seeking to raise awareness.

But the report provides extremely dire projections of the state of biodiversity globally, such as the loss of huge areas of the Amazon rainforest and many fresh water lakes. Continue reading World’s plants and animals at risk of collapse

World Migratory Bird Day

Posted by: Saving Water SA (Cape Town, South Africa) - partnered with Water Rhapsody conservation systems – 08 May 2010

With over 10 per cent of migratory birds in danger, this weekend conservationists will highlight the extinction crisis threatening nature’s global travellers.

Tasmanian Silvereye

The theme for World Migratory Bird Day 2010, celebrated around [...]