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All News and Pages Related to "climate change"

Hair of the Dog

Posted on March 16th, 2020

Dr. Silvia Secchi wrote most of this; I added a dash of bitters here and there. The post expands on the interview Dr. Secchi gave to National Public Radio’s All Things Considered, which can be found here: https://www.npr.org/2020/03/13/815546846/the-biofuel-requirement-of-american-gasoline-hits-a-roadblock The Iowa congressional delegation and many agricultural economists have been arguing over the small refineries exemption, which reduces the […]

Cry Me a Raccoon River

Posted on December 2nd, 2019

Note: the title was not my idea, but I have permission to use it.  I suppose we all experience certain days when events crystallize our ideas in ways such that the day and the ideas will both go unforgotten. November 14 was one of those days for me. That day I conducted a presentation at […]

Climate Change and Stream Nitrate

Posted on July 17th, 2017

Pulitzer Prize winner Art Cullen recently published an interesting article about climate change and stream nitrate in the Storm Lake Times (link). I like this article. I always think a person could not have farmed in Iowa over the last 50 years and not know that things have changed–a lot. Maybe not so much with […]

Climate change and stream nitrate

Posted on January 1st, 2017

What might climate change mean for stream nitrate loads? In the Raccoon River watershed, precipitation has increased about 25% since 1916. This, coupled with land use change (artificial drainage and conversion of native perennial plants to annual crops) has increased average streamflow (discharge) in the river about 250% over the same time period (Figure 1). […]