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Curbing invasive plant species challenging in face of environmental change, says CU prof

Managing invasive plant species on the Great Plains has become more challenging in recent years in the face of human-caused environmental change, including the positive responses of invaders to altered atmospheric chemistry and longer growing seasons, says a University of Colorado at Boulder professor. According to Professor Timothy Seastedt of CU-Boulder's ecology and evolutionary biology department, a warmer and longer growing season, increases in atmospheric carbon dioxide levels and nitrogen deposition on the Great Plains amplify the ability of weedy species to compete with native plants.

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Warming climate signals big changes for ski areas, says new Colorado study

INSTAAR fellow Mark Williams and Brian Lazar of Stratus Consulting warn that Rocky Mountain ski areas face dramatic changes this century as the climate warms, including best-case scenarios of shortened ski seasons and higher snowlines and worst-case scenarios of bare base areas and winter rains.

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Acid soils in Slovakia tell somber tale

Increasing levels of nitrogen deposition associated with industry and agriculture can drive soils toward a toxic level of acidification, reducing plant growth and polluting surface waters, according to a new study published online in Nature Geoscience.

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CU prof finds nitrogen pollution increases negative impacts of acid precipitation in soil

Vegetation and soils already subjected to long-term acid rain could face even more stress in the form of nitrogen-laden precipitation, according to INSTAAR fellow William D. Bowman. His study of acid precipitation on grassland soils of the Western Tatra Mountains of Slovakia was just released.

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Video: Alaska’s eroding Arctic coast

Scientists from CU-Boulder and the USGS have provided Dot Earth with a closeup view of the remarkable rate of erosion along parts of Alaska’s thawing Arctic Ocean coast. The video clip is one month of crumbling, from late June through late July this year, at a point east of Barrow.

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Climate-change program gets new funds and home

A program that helps poor countries reduce their vulnerability to floods, drought and other climate-related hazards will move to the University of Colorado, Boulder, under a grant from the Rockefeller Foundation, foundation and university officials said Wednesday.

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