Tuesday, February 25, 2020

Ecological Principles for Landscape Design Essay

Ecological Principles for Landscape Design - Essay Example The effects of a compromised water surface quality impair the aquatic ecosystems, public health issues become a threat and the remediation process is a burden on the entire community. Many parties became involved in the development of a resolution including the Pennsylvania Department of Environmental Protection, the Pennsylvania Department of Transportation, private citizens, outside consulting firms, academia, scientists and geologist’s, and advocacy groups (Snowden). In response the solution involved the removal and transfer of 600,000 tons of material from one of the acid rock formations- Bald Eagle Sandstone- to a nearby treatment area designated the Excavated Rock Placement Area located just below Sky Top (Snowden). The discovery of acidic rock material along the 1-99 area was first discussed and began being explored in 2002 when there was exposure at Bald Eagle Mountain. This area where much of the Sky Top Mountain drainage occurs has been the subject of studies for as far back as the 1970’s.Several agencies are on public record as expressing concern about the potential creation of acidic rock drainage if the bedrock were to come into contact with rain water. There was also concern for the potential damage to groundwater and surface water. Excavated rock was crushed and used locally as road base before the nature of this rock was understood and it was only a very short time before surface and groundwater runoff began raising concerns. Pyrite is a mineral that can cause extremely low PH levels and very acidic water.

Saturday, February 8, 2020

Hilda Polacheck, I Came a Stranger Essay Example | Topics and Well Written Essays - 1250 words

Hilda Polacheck, I Came a Stranger - Essay Example The aspect of citizenship manifest strongly in the Hilda Polacheck of â€Å"I Came a Stranger.† The narration by Hilda about her life experiences gives us a view of the historical perspectives of citizenship in America. When arriving in USA with the mother and the siblings, Hilda Polacheck experienced the problem of gaining access to the American social system. Hilda narrates how the immigration officers in America confined her family and immigrants in a camp with deplorable conditions. The reason for the treatment was to prevent entry of people who become a public charge, and burden the government. The American authority of the time only allowed entry to immigrants who could support themselves. This experience by Hilda Polacheck helps us understand the history and significant of the Immigration and Naturalization Act of 2008. A clause in the Act prohibits issue of citizenship to immigrants who can become a burden to the public. 1The immigration officials have the responsibilities to examine skills, financial resources, physical abilities, health status and education of the immigrants before allowing entry into the country. During the historic America, there was a belief that poor immigrants would flood the country with anticipation to enjoy the economic prosperity. 2To become an American citizen through naturalization is never easy or automatic. A person has to undergo various screenings, and must have stayed in America for longer time. The given immigrant applying for naturalization must proved with authentic documentation that they have stayed in America longer enough to warrant issue of citizenship. This aspect of citizenship is evident the narration of Hilda Polacheck. In the book, Hilda mentions that her father died without having gained citizenship despite having applied. The reason given for the reluctance by the US official was that the