Environmental Science: The Green Revolution
Central Case: Iowas Farmers Practice No-Till Agriculture
Tilling can lead to erosion
No-till farming leaves crop residues
Results less erosion, more organic matter, more water absorption
We face undernutri
Humans and Environment
Ecological Footprint-From four Earths to a Half of an Earth!
An ecological footprint shows a general description of ones lifestyle and the resources
they use. The footprint shows how the way w
Humans and the Environment
Invasive Species Sea Lamprey
A. Sea lamprey has inhabited Lake Ontario and St. Lawrence River, which flow into
the Atlantic Ocean.
B. First observed in the great lakes, like Laker Erie in 1830.
King corn is a journey into the digestive track of our fast-food nation
Two college friends Ian Cheney and Curt Ellis graduate college and were enjoying life
until they had a realization.
They realized they were going to die because
Humans and Environment 100
United States Versus GermanyPopulation Statistics
Both the United States and Germany having many things in common, besides the
fact that they bother were in world ward; U.S. and Germany are industriali
Births per 1,000 Population
Deaths per 1,000 Population
Rate of Natural Increase %
Net Migration Rate per 1,000