Recent Posts

Irrigation could be cooling the Midwest
Posted on 22 Apr 2010 by Thomas H. Clarke, Jr.

By Thomas H. Clarke, Jr. Many past entries have noted the complexity of global climate change issues, and the extent to which key issues are and are not well understood. Past entries have also noted the necessity of examining the entire "picture"... Read More

Rivers are discovered in the atmosphere, and they can convey a lot of water
Posted on 24 Mar 2011 by Thomas H. Clarke, Jr.

As I look out the window and once again view the downpours that have impacted California for months, it seems appropriate to describe one of the more interesting discoveries of the last decade, rivers in the atmosphere. Think of it as the "Pineapple... Read More

Ninth Circuit rules that owners of storm water systems (e.g., cities, counties, districts) are liable for discharges of polluted stormwater into rivers and ocean
Posted on 11 Mar 2011 by Thomas H. Clarke, Jr.

It is well known that stormwater gathers a variety of pollutants as it flows across the landscape and even through stormwater drainage systems. See, for example, http://cfpub.epa.gov/npdes/home.cfm?program_id=6 and http://www.epa.gov/owow_keep/NPS/index... Read More