Estimation of uncertainty using agronomic models typically requires a Monte Carlo study with a large number of simulations. Parallel computation dramatically speeds repetitive computation of this sort. The use of a Beowulf cluster parallel computer offers a low cost method of parallel computing...

In many regions of the U.S., low dissolved oxygen (DO) is a common freshwater impairment. States, territories, and tribes of the U.S. are required by federal law to develop Total Maximum Daily Loads (TMDLs) for waters not meeting established DO standards. Regulators and other professionals are...

The prevailing attitude is that ‘development’ is important, and that if people have to be pushed around for this, so be it. This a response to the views expressed by E Sreedharan on the Yamuna, ‘Restrict Yamuna with walls and develop low-lying areas: Metro chief’ (Times...

The world’s biggest carbon offset market, the Clean Development Mechanism, is a global shell game that is increasing greenhouse gas emissions behind the guise of promoting sustainable development. It is handing out billions of dollars to chemical companies and the developers of...

The report discusses for the first time the linkages between climate change and dam-building in the Himalayas, and comprehensively analyzes the impacts of the dam building spree on the region's people, ecosystems, and economy.