PDS AP Environmental Science 8th Period 2010-11

Alum Richard Gee (’10) just sent me this link to a The Economist article and map about which countries are growning genetically modified crops. I wish we had more time to spend on GMOs, but with me out of town it was not meant to be this year. I’m not too concerned for you all [...]

Hi guys, I hope you are enjoying King Corn while I am gone this week. The movie obviously focuses on industrialized corn crop production and the many issues it produces. But, the movie also touches on problems created when we feed all that corn to cows (who did not evolved to eat it) in industrial [...]

Thursday, February 17, 2011 Today in class, we discussed Soil Degradation and Conservation, Chapter 9 (part IV of study guide), but mostly focused on erosion and ways to prevent erosion. First, we discussed the causes of degraded soil, which are: overgrazing deforestation cropland agriculture industrialization We also talked about the different types of degraded soil, [...]

Many common problems affect soil around the world on a daily basis. The ones we covered in class are: desertification, salinization, water logging, and reduced fertility. DESERTIFICATION- Desertification is mainly due to drought, but human activity can also speed up the process. Whenever humans plow, overgraze, deplete water sources, and so on, they run the [...]

Soil Formation and Structure “The Nation that Destroys Its Soil Destroys Itself” -FDR Agriculture is the single most damaging thing we, humans, do to the environment. While “damaging” and “environment” are both very vague terms for a very complex problem, agriculture is responsible for loss of habitat, biodiversity, and the cause of dead zones. But [...]