Does Air Pollution Really Shorten Life Spans?

Guest essay by Dr. Indur M. Goklany Periodically we are flooded with reports of air pollution episodes in various developing countries, and claims of their staggering death toll, and consequent reductions in life spans. The Economic Times (India), for example, recently claimed: If you are in NCR [National Capital Region, i.e. Delhi] right now, you may…

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Making CO2 into fuel

From the MASSACHUSETTS INSTITUTE OF TECHNOLOGY MIT-developed method converts carbon dioxide into useful compounds. CAMBRIDGE, Mass. — MIT researchers have developed a new system that could potentially be used for converting power plant emissions of carbon dioxide into useful fuels for cars, trucks, and planes, as well as into chemical feedstocks for a wide variety of…

Cool tech: a switchable solar window

Demonstration device dynamically responds to sunlight by transforming from transparent to tinted while converting sunlight into electricity Thermochromic windows capable of converting sunlight into electricity at a high efficiency have been developed by scientists at the U.S. Department of Energy’s National Renewable Energy Laboratory (NREL). Relying on such advanced materials as perovskites and single-walled carbon…