Climate

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By producing biochar - a charcoal-like substance made from plants and other organic materials - up to 12 percent of the world's human-caused greenhouse gas emissions could be sustainably offset, which is more than what could be offset if the same plants and materials were burned to generate energy.
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Road surfaces can make a big contribution to local air purity. This conclusion can be drawn from the first test results on a road surface of air-purifying concrete, which reduces the concentration of nitrogen oxides (NOx) by 25 to 45 percent.
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The first computer modeling study to simulate the impact of white roofs on urban areas worldwide - led by scientists at the National Center for Atmospheric Research (NCAR) in Boulder, CO - suggests there may be merit to the idea of turning roofs white.
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Jessica Lundquist - a University of Washington assistant professor of civil and environmental engineering - uses dime-sized temperature sensors, which were first developed for the refrigerated food industry, and tennis balls to study mountain precipitation.
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Forest-monitoring technology developed by scientists at Carnegie Institute’s Department of Global Ecology combines free satellite imagery and powerful analytical methods into an easy-to-use, desktop software package called CLASlite. The team announced its new web site for CLASlite users today, at the Copenhagen climate meetings.
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Rocky Mountain Institute has released Green Footstep - a free online tool for architects, engineers, and developers, which reveals design targets to achieve carbon neutrality in building construction and retrofit projects.
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Michigan State University researchers are developing robots that use advanced materials to swim like fish and gather precise data on aquatic conditions. The robotic fish will carry sensors recording things like temperature, dissolved oxygen, pollutants, and harmful algae.
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