The grass may be greener in Hawaii, but now so are its houses. Solar powered hot water heaters are now replacing electric heaters that burn fossil fuels, and in the process release harmful carbon and other greenhouse gas emissions that contribute to global warming. Hawaiian Electric Company is heavily encouraging all home owners to convert…
The state of Punjab, located in the northwest part of the country, is known as the breadbasket of India. Punjab produces 20% of the nation’s wheat, 11% of its rice, and 11% of its cotton, from only 1.5% of its geographical area. Punjab is in trouble, however; groundwater is rapidly decreasing. Water levels have dropped…
New York, NY, July, 2009. The Rockefeller Foundation is aiding sustainable development in metropolitan Nairobi, Kenya with a $400,000 grant to Columbia University’s Earth Institute aimed at supporting broad-based grass roots participation in the urban-planning process. The Earth Institute’s Center for Sustainable Urban Development (CSUD) will use the support to continue ongoing work with the…
Permafrost is ground that remains at or below freezing for two or more consecutive years (for great information on permafrost see the National Snow and Ice Data Center). Climate researchers worry that permafrost will thaw as temperatures rise due to climate change, releasing carbon dioxide and methane into the atmosphere. Two recent studies indicate that this concern…
In the American Southwest, water is a valuable resource that is almost always in short supply. Yet, despite the frequent discrepancy between supply and demand, homeowners and municipal managers alike have been obligated – by law – to let the rain that runs off of their roof or falls in their jurisdiction to go its…
Waste not, Want not? The source of this proverb is unknown, but I’m going to hazard a guess and say it wasn’t your average (modern) American. I say this because your average American runs through 56 tons of trash a year – including 500 plastic cups and 650 pounds of paper. If we were to…
Fourth of July fireworks across the United States are definitely a long tradition that millions of people eagerly wait and enjoy. The concern is that fireworks traditionally have included potassium perchlorate as the oxidizer, a material that provides the oxygen that fireworks need to burn and that perchlorate is an environmental pollutant with potential adverse…
In a lively talk at the Indian Consulate in New York last Thursday, Indian climate envoy Shyam Saran called for technology and resource transfer from developed to developing countries, saying that because they are responsible for the bulk of historic carbon emissions, developed countries should bear the brunt of climate adaptation and mitigation costs. A…
NEW YORK, June 22 — With the financial support and collaboration of The Merck Company Foundation, the Earth Institute at Columbia University is launching an ambitious initiative to strengthen community health services for over 400,000 people in ten African countries under the Millennium Villages project. The initiative will advance the development of a professional cadre…