1. Persistent Organic Pollutants
The following nine accounts each tell the story of a different species, from as early as 1952 to as late as 1992. ... Broley reported a healthy eagle population until 1947, when he began to notice changes in the eagles" behavior and a decline in the number of eaglets. ... After two decades, environmentalists began to notice the population decline. ... The alligator population decreased by 90% afterwards. ... By December almost 40% of the North Sea population of seals had died. ...
- Word Count: 2382
- Approx Pages: 10
- Has Bibliography
- Grade Level: High School