Archive for year: 2024

Task List:

· Review the posted content.

· Complete Home Sustainability Audit Activity individually.

· Submit Audit report to the appropriate Dropbox.

Objectives:

· Introduce the concept of energy efficiency.

· Identify sustainable and non-sustainable practices at your institution.

· Show that the solution to many environmental problems are within the reach of individuals and communities

Introduction:

This assignment is designed to help you reflect on the environmental practices in your home. For the audit, you will each select ten (10) topics of interest in regards to environmental aspects of campus operations. The topics you may choose from are:

Topics

Waste management	Water	Energy	Air handling
Composting	Faucet efficiency	Appliance efficiency	Insulation
Trash produced	Toilet efficiency	Computers	Window/doorway sealant
Recycling	Showers (length, efficiency, temperature, etc.)	Power source sustainability	AC age
Fast fashion	Washing machine type	Water heater type	Keeping vents clear
Paper decor	Water used to produce your clothing	Lighting (type, efficiency, age)
	Water source	Energy vampires
	Irrigation (sprinklers, drip systems, water barrels, etc.)	External shade on roof (trees, etc.)

 

Useful resource:   http://efficiencytips.tumblr.com/tagged/at-school (Links to an external site.)  ;  https://www.epa.gov/statelocalenergy/local-residential-energy-efficiency (Links to an external site.)

Task:

1. Select ten topics listed above

2. Write a paragraph (minimum) discussing how you address and/or implement each topic (Ten paragraphs total-minimum).  Does your home actively plan accommodations for this topic?  What could you do do to better on this subject? How much would it roughly cost to do so (look up what it would cost to replace equipment if necessary, ball park figures are okay)?

3. Evaluate your home. Do you consider your home “green”?  Why or why not?

4. Propose some monetarily and personally feasible changes that you/your family should consider.

What to submit – Generate a report with the following sections and submit to the assignment dropbox:

· Introduction – Discuss the specifics of your home.  How many people live there?  How large is it? This section should familiarize the reader with your home.

· Topic Discussions – Include the description of each topic in this section.

· Evaluation – Include your evaluation in this section.

· References – Include all reference material (MLA format).

Minimum word count is 750.

Note: Some of you may live in the same building; however, each report must be completed on an individual basis.  You can not use the same material as your fellow classmates. 

 

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Please submit questions 3&4 in separate documents.

1. The list of chemicals identified as carcinogens continues to grow. What, in your opinion, are the two best ways to protect yourself from exposure to carcinogens?

Your journal entry must be at least 200 words. No references or citations are necessary.

2. Reflect on your own thoughts and feelings about animal testing. Do a quick article search on animal testing. Review one article that is pro-animal testing and one article that is anti-animal testing. Discuss two of the pros and two of the cons of animal testing that were discussed in the articles. In researching both sides of the debate, has your perspective shifted any on the animal testing debate? Explain.

Your journal entry must be at least 200 words. No references or citations are necessary.

3. This unit’s assigned reading focuses on chemical-induced mutagens. As you are aware from the reading, not all carcinogens are mutagens. For this assignment, compare and contrast a carcinogen that is a mutagen to a carcinogen that is not a mutagen. Find at least four peer-reviewed journal articles published within the last 7 years that discuss the carcinogens and the cancer that each causes.

Compare the means of exposure of each chemical and the type of cancer each causes. Be sure to integrate the perspective and information gathered from each article into a discussion in your own words.

Your literature review must include the following components:

an introduction of your topic of choice (include some background information on the origins of exposure and cancer),the methods used to search for the articles,the results of the articles,

a discussion and conclusion with your own opinion, and APA references and in-text citations for the article. The literature review must be three to four pages in length and follow APA formatting.

4. Recent studies support the potential of a drug that is derived from the metal iridium to effectively treat cancer. This experimental drug, Drug ZL105, has not been tested for efficacy and toxicity. Imagine that you are the one responsible for approving or denying the use of this drug within the United States. Your job is to propose the testing that is needed for this drug to be determined as safe and effective for the treatment of cancer in humans. In your research and discussion, you should address the questions below.

What model(s) will you use for testing (i.e., animal, cell cultures, computer simulations)? Explain the choice of model, and provide support for the reliability of the model. Discuss the pros and cons of your choice.

In determining the safety and effectiveness of the drug, would it be necessary to test efficacy, toxicity, and lethality? Explain what each of these tests are for and whether or not one or more of the tests are necessary for your determination.

Provide your thoughts on what information you hope to gather from your tests and whether or not the same protocol should be used for various categories of products such as drugs, cosmetics, and herbal medicines.

Your case study assignment should be three to four pages in length and utilize at least three reliable references. Use APA style guidelines in writing this assignment, following APA rules for formatting, quoting, paraphrasing, citing, and referencing.

 

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This unit has presented the regulatory environment related to industrial and hazardous wastes. The required unit resources and unit lesson presented aspects of the historical and current regulatory environment, Resource Conservation and Recovery Act (RCRA) requirements, and the impact of nonuniform international environmental laws.

For this assignment, review the case study that was in the required unit resources “Hidden Externalities: The Globalization of Hazardous Waste” concerning the Colbert brothers’ hazardous waste business.

In your case study, discuss the Colbert brothers’ business and how they were able to conduct this business operation.

In addition, address the following items:

• Assess the historical and current regulatory environment on this case.
• Summarize RCRA requirements regarding this hazardous waste case.
• Appraise the impact of nonuniform international environmental laws concerning this case.
• Assess the ethical standards for the Colbert brothers and if their punishment fit their crime.
• State your opinion on how the case was handled.

You do not need to write your case study in the order of the above items. Weave the items into your paper to create a flowing, readable document with smooth transitions.

Your case study must be at least three pages in length with a title page and reference page (title and reference pages do not count toward the minimum page requirement).

Besides using the source from this article in your case study, locate an additional peer-reviewed article from the CSU Online Library that centers on RCRA requirements and the current regulatory environment regarding hazardous waste. The article must be no more than five years old. Also, it may be helpful to utilize the Environmental Protection Agency websites listed under References.

Because this assignment requires you to reference peer-reviewed articles, you may find it helpful to review the library’s tutorial on How to Find Peer-Reviewed Resources. (Transcript for How to Find Peer-Reviewed Resources video)

Adhere to APA Style guidelines when constructing this assignment, including in-text citations and references for all sources that are used. Please note that no abstract is needed.

 

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Assignment Content

1. Prepare a 350- to 700-word paper describing the basic theories associated with the creation of the ocean floor.

   Week 2 Rubric.pdf

   Include the following in your paper:

   • Identify three different plate boundaries and list the outstanding features of each boundary.
   • List one natural event that occurs as a direct result of plate boundary interactions.
   • Compare and contrast ideas behind plate tectonics and the theory of continental drift. Does one idea seem more plausible than the other? If so, why? Base your findings on the natural event you identified earlier in the paper.
   • Format your paper consistent with APA guidelines. Reference a minimum of two outside sources, other than your text, such as credible websites and articles that support your findings.

     Submit your assignment.

     Resources:

   • Center for Writing Excellence
   • Reference and Citation Generator
   • Grammar and Writing Guides
   • Learning Team Toolkit

 

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Question 1

Keystone species:

are only found in aquatic habitats.

are always found at the top of the food chain.

are vital to the soil balance of an entire ecosystem.

are usually not the most abundant species in the ecosystem.

Question 2

All of the following traits are characteristic of the adaptations of prey EXCEPT:

producing toxins.

having the appearance of twigs or leaves.

warning coloration.

all of the above are characteristic prey adaptations

Question 3

The nitrogen cycle is one of the most important and complex of the biogeochemical cycles. Why is nitrogen important?

It’s an Ozone depleting gas

It’s an essential part of biological molecules such as proteins and nucleic acids (DNA)

It’s the most toxic element to living organisms

Nitrogen dilutes the oxygen in the atmosphere causing respiratory problems

Question 4

What important process might be severely impacted by colony collapse disorder?

nutrient cycling

pollination

symbiosis

predation

Question 5

What is the step in the nitrogen cycle in which gaseous nitrogen is converted into ammonia?

ossification

ammonification

assimilation

nitrogen fixation

Question 6

The mushrooms seen growing here gets its nutrition from:

Decomposing dead organic material that is the dead tree.

Photosynthesis.

Capturing earthworms and other soil invertebrates.

The living tree itself.

Question 7

How does the phosphorus cycle DIFFER from the carbon cycle?

There is little or no human impact on the phosphorus cycle.

Phosphorus is not a critical component of living organisms.

The hydrosphere plays a role in the phosphorus cycle.

The atmosphere does not contribute to the phosphorus cycle.

Question 8

Approximately what percentage of the atmosphere is CO2?

0.001%

0.04%

10%

30%

Question 9

How are temperate rain forests and the boreal forest similar?

Both have mild winters

Both are dominated by conifers

Both have tree species that are drought adapted

Both experience dense fogs

Question 10

The biomes that commonly have fire-adapted species and are known for supporting herds of grazing animals are:

temperate grassland and temperate deciduous forest.

temperate grassland and savanna.

chaparral and boreal forest.

boreal forest and temperate deciduous forest.

Question 11

Individuals within a population each have a unique combination of traits, which is known as:

Genetic variation.

Reproductive capacity.

Evolution.

Differential reproductive success.

Question 12

Which of the following biomes is NOT known for its wood and lumber production?

temperate rain forest

taiga

chaparral

temperate deciduous forest

Question 13

What is the main difference between short and tall grass prairies?

One is dominated by grasses and the other is dominated by forbs.

Tall grass prairies receive more rainfall than short grass prairies.

Short grass prairies occur in warmer latitudes than tall grass prairies.

Tall grass prairies typically have colder winters than short grass prairies.

Question 14

Which biome has considerable organic material in the soil, annual precipitation of 10-30 inches, and periodic wildfires to maintain the dominant vegetation?

temperate deciduous forest.

chaparral.

temperate grassland.

boreal forest.

Question 15

What biome is most likely to have the following temperature and rainfall profile?

savanna

boreal forest

tropical rainforest

temperate deciduous forests

Question 16

Which of the following is a biological control that is used to suppress wild fires in chaparral?

viral diseases

goats

introduced species

insect herbivores

Question 17

All of the following apply to estuaries EXCEPT:

There provide very valuable breeding grounds for commercially important fish and shellfish.

There is no salinity in estuarine ecosystems due to large supply of fresh water from a river.

Plants and algae that grow here have high tolerance for changing environmental conditions like salinity and light penetration.

These coastal ecosystems provide a barrier against the ocean during storms.

Question 18

The graph below is a record of the population size of reindeer on one of the Pribilof Islands off the coast of Alaska where they were introduced in 1911. If it is known that the availability of winter forage determines the carrying capacity for reindeer, what can be interpreted from this graph?

The population crashed due to overgrazing by the reindeer.

An environmental resistance factor like disease caused the population to decline somewhat.

Some reindeer were lost to predation by wolves.

Some reindeer emigrated to another island.

Question 19

The young age structure of urban areas can be attributed to:

high birth rates in urban areas

influx of young people from rural areas

high death rates in urban areas

the presence of more females than males in urban areas

Question 20

Which factors eventually cause birth rates to decline during a demographic transition?

Birth rates decline due to improved health care and modern medicines.

Birth rates decline due to increased education of women.

Birth rates decline due to increased contraceptive use.

All of these choices ultimately contribute to declining birth rates.

Question 21

According to the demographic transition model, an improving economy in a country is generally correlated with which of the following?

Increased birth rate and increased population growth rate

Increased death rate and decreased population growth rate

Decreased birth rate and increased population growth rate

Decreased birth rate and decreased population growth rate

Question 22

What change in human population growth is predicted by the United Nation’s population models?

Population will double by 2100.

Population will begin to level off by 2100.

Population will continue to grow exponentially.

Population will level off by 2525.

Question 23

What is probably the single most important factor affecting high total fertility rate in human populations?

Limited access to family planning services.

The low status of women in many societies.

The economic status of large families.

Cultural traditions.

Question 24

Who was the first scientist to sound the alarm about the growth of the human population and the ability of the earth to handle a large population of humans?

Charles Darwin

Paul Ehrlich

Thomas Malthus

Rachel Carson

Question 25

What do population ecologists study?

How animal communities form and interact

How groups of animals of the same species respond to their environment

The impact of humans on the environment

How ecosystems fit into the landscape

 

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