Cattle feed can contribute to increased rural ozone levels

As noted in prior posts, livestock operations are often associated with polluting streams and groundwater. Manure lagoons not only are associated with odor, but because of the nitrogen and phosphorus produced are associated with dead zones in streams and estuarial habitats. Additionally, prior posts...

Could humans have been influencing climate as long as 15 thousand years ago?

When someone mentions "climate change" and people, most of us think about the start of the industrial revolution. Those with a more anthropological viewpoint will think about the advent of slash-and-burn agriculture some 8 thousand years ago. Now, some serious researchers have had some fun...