Sep 26
Tweet On a visit to South Africa, I walked into some Nigerian street hawkers in Johannesburg. One of them, noticing I was just visiting, commented, “Do you see how clean and nice this place is?” It reminded me of the conversation between two South Africans on my flight. They were returning home after a business …
Sep 06
TweetWhat is Solar Water Heating? Solar hot water refers to the use of the sun’s energy to heat water for household and industrial use. Solar water heating systems generally consist of the following components: A solar collector A storage vessel A heat exchange fluid in the case of indirect systems* A pump in the case …
Aug 05
Tweet India’s largest wind turbine manufacturer Suzlon Energy is in talks with British officials to invest $1.57 billion to build a wind turbine manufacturing facility. While the details about the talks are still sketchy, such an investment makes perfect sense for the company. Sulzon Energy (NSE:SUZLON) bought European wind energy major RePower in December 2009 …
Aug 04
TweetHow can we live lightly on the Earth and save money at the same time? Staff members at the Worldwatch Institute, a global environmental organization, share ideas on how to GO GREEN and SAVE GREEN at home and at work. To learn more about Worldwatch’s efforts to create am environmentally sustainable society that meets human …
Jul 23
TweetAccording to the World Health Organization, 1.2 billion people – or almost 1 out of 5 people in the world – are without access to safe drinking water. And even in areas with access, 70 percent of water withdrawn from fresh groundwater sources is used for agriculture. But using groundwater to grow crops and trees …
Jul 15
TweetFor most homes in the temperate parts of the world, roof insulation is very important in many ways. Your house will be warmer in cold weather and colder in warm weather. You can save on the costs of electricity necessary to run the heater or the air-conditioner. In the process, you are also doing your …
