Tag Archives | South Africa

Humanity’s Growing Impact on the World’s Freshwater

As the human population has climbed past seven billion, and the consumption per person of everything from burgers to blue jeans has risen inexorably, the finiteness of Earth’s freshwater is becoming ever more apparent. It takes water to make everything, and the explosion of demand for all manner of products is draining rivers, shrinking lakes, […]

Read full story Comments are closed

Washing Machine Water Efficiency

Different models of washing machines can vary greatly in energy use, water use and operating costs. When buying a new washing machine: Buy a front loader if you can. Front loaders are usually more water efficient and energy efficient than top loaders and use less detergent. Choose a size that matches your needs. You might […]

Read full story Comments { 36 }

South Africa: Solar Water Heater Market Poised for Strong Growth

Global consultancy Frost & Sullivan (F&S) said that the solar water heater (SWH) market in South Africa grew significantly in the past four years, and suggested that the market was preparing for a second high-growth phase that would be larger than the previous growth surge. The key would be to address the gaps in the […]

Read full story Comments { 0 }

Heavy rains cause water shortages

Residents and businesses in several towns in northern kwaZulu-Natal have been adversely affected by water shortages following recent heavy rains.

Read full story Comments are closed

Solar Geysers ~ basic information

In this sunny country, solar energy is an abundant source of renewable energy, making it an obvious choice when seeking alternative sources of energy. Solar water heating & how a Solar Geyser works Solar geysers are built on two basic principles of physics: dark coloured objects absorb heat, and hot water rises. Unlike other systems […]

Read full story Comments { 0 }

Solar geyser collector types

There are two main types of collectors used in Solar Geysers: flat-plate collectors and vacuum tube collectors. A flat-plate collector has a transparent cover made of specially toughened glass, a coated metal absorber plate (coating is usually matt black paint), and a well-insulated weatherproof casing. Flat plate collectors are robust, economical, and versatile. Vacuum-tube collectors […]

Read full story Comments { 0 }

Going solar – some facts about solar energy

Wherever you go these days, you see something about solar energy, on TV, the newspapers, magazines and many other mediums. Whether you’re talking about solar panels, solar gadgets, solar geysers or solar pool heaters – advertisers are increasingly trying to get our attention to renewable energy. But what’s the big deal? Is it really that […]

Read full story Comments { 0 }

Climate Change & Politics are Inseparable

Some things we take for granted, like a predictable climate and a temperate earth. Oops. Our carbon emissions are fundamentally changing that climate — faster and more radically than we imagined. Humanity now has an unprecedented choice. Do we deny, ignore and selfishly delay until it’s too late? Or do we rise to the challenge? […]

Read full story Comments { 0 }

Solar Roadways for a Sustainable Future

The Solar Roadways project is working to pave roads with solar panels that you can drive on. The Vision Our long range goal is to cover all concrete and asphalt surfaces that are exposed to the sun with Solar Road Panels. This will lead to the end of our dependency on fossil fuels of any […]

Read full story Comments { 0 }