February 9, 2011
South Africa’s city of gold, Johannesburg, may soon start being eaten away by acidic water flowing from the mines that created its astronomical fortunes. Mines dug […]
February 8, 2011
What is it going to take to stop the plans to threaten our sensitive Karoo region from being destroyed by Shell’s plans to blow it apart […]
February 7, 2011
The loss of a massive “tongue” of glacial ice on the Antarctic coast — a natural protective barrier nearly four times the size of New York […]
February 6, 2011
How to go green has been a frequent topic on this site. I have addressed the question of why someone would want to go green to […]
February 4, 2011
The current hide crude oil prices will affect the global community; fuel prices are on the rise, especially in South Africa. Here’s how to get more […]
November 16, 2010
The international scientific community has identified five Grand Challenges that, if addressed in the next decade, will deliver knowledge to enable sustainable development, poverty eradication, and […]
October 26, 2010
In places throughout the Amazon, some stretches of the region’s most important rivers and tributaries have dried up almost entirely, reducing the normally flowing waterways to […]
October 14, 2010
18 percent more water fed into oceans in 2006 than in 1994, satellite data show Researchers who set out to create a baseline for future research […]
October 3, 2010
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 […]
September 14, 2010
A house or a building can be thought of as being an envelope, which shelters an indoor space from the weather outside. The objective of the […]
September 13, 2010
In recent years, interest in solar energy has steadily increased among investors. Solar energy, itself, converts sunlight or radiant energy into usable electricity. Of course, the […]
September 1, 2010
Maputo – Mozambique’s capital Maputo was gripped by violent demonstrations Wednesday as residents of poor neighbourhoods took to the streets to protest sharp increases in the […]
August 30, 2010
The term “technology” refers to the application of knowledge for practical purposes. The field of “green technology” encompasses a continuously evolving group of methods and materials, […]
August 25, 2010
Humans have been using solar power for many years to heat up their water, light up their homes and for general low-voltage applainces. Solar power energy […]
August 22, 2010
Solar water heating is gaining popularity all over the world due to the many benefits it offers and because it is relatively inexpensive and easy to […]
August 21, 2010
You can use solar power to run outdoor lights; replace security, poolside and garden lights with solar powered lights and save electricity. They are long lasting […]
August 15, 2010
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 […]
August 14, 2010
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 […]