Tag Archives | greywater

Five breakthroughs that will make solar power cheaper than coal

There was some good news last week. While Washington was busy holding the global markets hostage and placing billions in badly needed R&D funding on the chopping block, a new report from REN21 (the Renewable Energy Network for the 21st Century) showed that global investments in renewable energy jumped 32 percent to a record $211 billion, […]

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Organic Farming Reduces Antibiotic Resistance

Organic poultry farms that don’t use antibiotics have significantly lower levels of drug-resistant bacteria that can potentially spread to humans. That’s according to a new study which is the first to demonstrate lower levels of drug-resistant bacteria on newly organic farms. The research adds to the growing concern among health experts about germs becoming resistant […]

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10 Things to Know about Power Plant Water Use, 10 Reasons to Care

Some things get better with age. Not power plants. The nation’s older power plants that still rely on antiquated and damaging once-through cooling systems have a huge thirst for water. These plants are capable of withdrawing approximately 100 trillion gallons each year directly from rivers, lakes, estuaries and oceans; profiting from a free public resource. […]

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World Population Day: Sustainable Agriculture for a Planet of 7 Billion

As the world population increases, so do the number of mouths to feed. The good news is that in addition to providing food, innovations in sustainable agriculture can provide a solution to many of the challenges that a growing population presents. Agriculture is emerging as a solution to mitigating climate change, reducing public health problems […]

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Answer for Invasive Species: Eat Them!

With its dark red and black stripes, spotted fins and long venomous black spikes, the lionfish seems better suited for horror films than consumption. But lionfish fritters and filets may be on American tables soon. An invasive species, the lionfish is devastating reef fish populations along the Florida coast and into the Caribbean. Now, an […]

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Water as Corporate Sustainability Driver

I recently heard Bruce Karas, Coca Cola’s VP of Environment and Sustainability, speak about that corporation’s continuing efforts to embed sustainability in their culture. And, while he was referring specifically to the beverage maker’s activities and increasing awareness, I kept seeing how what Coke was doing was based on larger truths to which more corporations […]

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Solar water heaters to help improve healthcare in rural South Africa

The Qunu clinic in the Eastern Cape has been supplied with two solar water heating (SWH) systems, through the Sustainable Energy Society of Southern Africa’s (Sessa’s) Sunwater for Life initiative. The installation at the Qunu clinic was funded by Absa Insurance Company, and allows the clinic to better serve the almost 1 000 people who […]

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Global Water Scarcity: Threat or Opportunity for Aquaculture?

The shortage of suitable freshwater resources is fast becoming a global catastrophe. How do we know this? In the 20th century the global population tripled and currently 220 000 people are born daily. This population growth, along with industrialisation and urbanisation, has resulted in several countries facing serious water shortages. A direct result of this […]

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Magaliesburg residents lodge appeal against African Nickel

Magaliesburg residents have lodged an appeal with the mineral resources department (DMR) to prevent African Nickel (AN) from prospecting in the Golden Valley area. AN began prospecting in April – much to the dismay of environmentalists and residents.  Golden Valley is in close proximity to the Cradle of Humankind.  It also supports various farming activities, […]

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