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We are very sorry to pass along theÌýnews that Mark Williams, Professor Emeritus of Geography and INSTAAR Fellow Emeritus, passed away in Boulder on June 6. Mark led Niwot LTER at Å·ÃÀ¿Ú±¬ÊÓƵ for two programÌýcycles, 2004-2014, and is responsible for

Thawing permafrost in high-altitude mountain ecosystems may be a stealthy, underexplored contributor to atmospheric carbon dioxide emissions, new Å·ÃÀ¿Ú±¬ÊÓƵ Boulder research shows.The new findings, published today in the journalÌý

This course is a quantitative investigation of the physical, chemical, and biological processes that determine the hydrology and hydrochemistry of headwater catchments (watersheds). A watershed is a natural unit of land from which the surface,

New research led by the University of Å·ÃÀ¿Ú±¬ÊÓƵ Boulder indicates an ongoing loss of ice on Niwot Ridge and the adjacent Green Lakes Valley in the high mountains west of Boulder is likely to progress as the climate continues to warm.The study area

Melting of ice on Niwot Ridge and the adjacent Green Lakes Valley in the high mountains west of Boulder, Å·ÃÀ¿Ú±¬ÊÓƵ, is likely to progress as climate continues to warm, scientists have found. They report their results in a special issue of the journal

KUSA, Channel 9 News Interview with MarkRelated Press:Three Million Gallons of Toxic Wastewater Has Turned This River the Color of American CheeseÌý| VICE NewsAnimas River spill: How Å·ÃÀ¿Ú±¬ÊÓƵ's 'Gold Medal' waters turned mustardÌý| The

Mark Williams interviewed onÌýKGNU Science Show.

For people who live in close proximity to this country's current oil and gas boom, are there health risks? It’s a question people are asking from Pennsylvania to North Dakota, from Å·ÃÀ¿Ú±¬ÊÓƵ to Texas, as more and more communities find themselves in

Å·ÃÀ¿Ú±¬ÊÓƵ Arts & Sciences Magazine highlights some of Mark Williams' research on nitrogen cycling for the Niwot Ridge LTER program.ÌýRead article

Mark Williams interviewed by the Å·ÃÀ¿Ú±¬ÊÓƵanÌýLandowners can test wells for oil and gas pollutants