solar heaters

March 7, 2011

Cooling Your House Without Electricity

Long time readers may remember when I wrote about two different ways you could heat your home or garage without using electricity. There was the heater […]
February 24, 2011

3 Ways to Generate Free Electricity at Home

Unless all your bills are paid for, you probably have experienced the effects of ever-inflating taxes, gas prices, and electricity costs. While I cannot help you […]
January 28, 2011

Eskom aims to have 925 000 Solar Water Heaters installed by 2013

Electricity utility Eskom said that it aimed at having 925 000 solar water heaters (SWH) installed by 2013, which would result in energy savings equivalent to […]
November 17, 2010

Solar Sail, Enough Renewable Energy for Earth’s Population?

Scientists at Washington State University have proposed a renewable energy behemoth: A solar sail that traps solar wind deep in the atmosphere. The idea is essentially […]
November 13, 2010

Four Solar Road Designs Unveiled by University of Rhode Island

There are 2.7 million miles of public roads in the United States, and in the past we’ve seen several innovative designs that transform these paved surfaces […]
November 11, 2010

Solar fuel – the thermo-chemical approach

This is the thermo-chemical approach, in which solar energy is captured in the configuration of certain molecules, which can then release the energy on demand to […]
November 9, 2010

23 Year Old Invents Solar-Power Fridge Being Used In Africa

23 year old Emily Cummins has invented a solar-powered fridge currently being used in Africa. It uses zero electricity to keep the contents at 43 degrees. […]
November 8, 2010

ESKOM and WRC enter into a strategic research partnership

Recognising the strategic link between sustainable water management and energy generation, the Water Research Commission (WRC) and Eskom have agreed to enter into a strategic research […]
November 8, 2010

3 Emerging Green Technologies Leading to a Stronger Economy

What you need to know about solar power, electric cars and robotics. Elections come and go, yet the economy is still struggling. Campaign promises and the […]
November 4, 2010

Current Global Warming May Reverse Circulation in Atlantic Ocean

…as It Did 20,000 Years Ago Universitat Autònoma de Barcelona scientists have researched how ocean currents in the Atlantic were affected by climate change in the […]
November 3, 2010

5-MW hydropower plant to be built in Zimbabwe

South African hydropower plant developer, owner and operator NuPlanet has been granted a generation licence to build a 5-MW greenfield hydropower plant at the Mutirikwi dam, […]
October 30, 2010

Military Forges Ahead On [Green] Tech

Yes, It’s the military again, this time blazing the trail for alternative energy. It’s rushing to deploy solar energy equip on the battlefields of Afghanistan. No […]
October 18, 2010

Ground Heat Source Pumps

How Do They Work? Ground source heat pump systems do not heat a home by burning fuel. They collect heat from the Earth via a pipe […]
October 10, 2010

10 Ways to Reduce Energy Use and Costs in Your Building

Here are 10 ways you can reduce your energy usage and costs without sacrificing comfort or building functionality. 1. Assess how your building consumes and wastes […]
October 8, 2010

What is Sustainability?

The concept of sustainability has been sustaining the earth for as long as it’s been around – that’s why this planet is still here. Yet there […]
October 5, 2010

Water Rhapsody Mpumalanga Co-Owner selected as Planet Protector

PLANET PROTECTOR – ALISTAIR HAIG When he spotted the desperate water supply problem in the White River area, ‘rain man’ Alistair (an environmentalist by nature and […]
October 3, 2010

India- The Thirsty Giant faces Water Scarcity

NEW DELHI — The quest for water can drive a woman mad. Ask Ritu Prasher. Every day, Mrs. Prasher, a homemaker in a middle-class neighborhood of […]
October 1, 2010

Bin Laden concerned by climate, Pakistan floods

DUBAI — Osama bin Laden has expressed concern about global climate change and flooding in Pakistan, in an audiotape aired on the Internet, his first public […]