Grass makes environmentally friendly biofuel
...od pellets. He also notes that grass produces more ash than wood -- meaning more frequent cleaning -- of stoves. Currently, he is testing the burning of pellets made from grasses, such as timothy and orchard grass, as well as weeds, such as goldenrod, in pellet stoves at Cornell's Mt. Pleasant Research F...Sensor web simulation investigates technique to improve prediction of pollution across the globe
...by making new, targeted measurements as a volcanic ash plume is transported to air traffic routes, or when smoke of a wildfire is carried aloft, then dispersed over large metropolitan areas. The sensor web has the potential to improve the response time of our observing systems by reconfiguring their sens...Researchers find ways to turn manure into power
...ence for several constituents measured, especially ash content, Sweeten said. Ash, an unusable material ...ch project involves using the byproduct combustion ash as a fertilizer or construction material, Sweeten said. "By assuring year-round uses of manure, the...Emerald Spectre haunts Ontario's ash forests
...r to prevent the devastating spread of the emerald ash borer in eastern Canada and the United States. It'...was first detected following an unusual dieback of ash trees in southeastern Michigan and southwestern Ontario in the summer of 2002. A native of southeast...Alleged 40,000-year-old human footprints in Mexico much, much older than thought
...They hypothesized that early hunters walked across ash freshly deposited near a lake by volcanoes that ar...so-called footprints, subsequently covered by more ash and inundated by lake waters, eventually turned to rock. But Paul Renne, director of the Berkeley G...Invasive species harms native hardwoods by killing soil fungus
...Three species -- sugar maple, red maple, and white ash -- had significantly less AMF root colonization and grew only about one-tenth as fast in the infested soil. Seedlings grown in sterilized, AMF-free soil taken from invaded and pest-free locations showed similar reductions, suggesting that diminished ...'Nymph of the sea' reveals remarkable brood
...ps) - which is preserved exceptionally in volcanic ash rocks in Herefordshire. Their findings are published on line in the Proceedings of the Royal Society. Professor David Siveter, of the Department of Geology at the University of Leicester, said : "Ostracods are common, pin-head sized crustaceans kn......eenland from northern Europe through analyzing the ash layers deposited toward the end of the peak of the...identical ages, they were able to positively match ash layers in east Greenland with those in marine sediments in the Atlantic Ocean. "We think the firs...