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Course Criteria
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3.00 Credits
This course provides an in-depth investigation into the major causes of atmospheric and climatic change and their effects on Earth's biosphere. Special emphasis is placed on natural geological factors such as volcanic eruptions and also on astronomical factors such as intrinsic changes in the luminosity of the Sun, variations in the eccentricity of Earth's orbit and the inclination of its axis, and impacts of large bodies from space. Topics covered will include atmospheric radiation budget and circulation, ice core records, climate history of ancient Earth, sunspot cycles, Milankovitch theory, climate change and major extinction events, and short-term and long-term global climate changes. Sessions are run in part lecture, part seminar format, and will require some use of information available on the World Wide Web. Students also solve problems involving the concepts presented in the lecture topics. Three hours lecture. Open only to science majors and minors with junior standing or above. 3 semester hours
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3.00 Credits
This course provides a mathematically rigorous investigation into the science of meteorology. Graphical analyses and calculusbased numerical problems are used throughout. Topics include radiation principles, heat, boundary layers, moisture, stability, cloud formation, precipitation, atmospheric dynamics, global circulation, air masses, fronts, cyclones, numerical weather prediction, thunderstorms, air pollution, and climate change. ENVR 209 is a prerequisite for environmental science majors, and is recommended to be taken concurrently for physics majors. Corequisite: PHYS 162 or PHYS 232. 3 semester hours
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3.00 Credits
An introductory study of the classification, nomenclature, and identification of 30-40 common families of flowering plants, with particular emphasis on the local native flora and nearby areas. Field trips and a plant collection are required. 3 hours lecture. 3 hours laboratory/field trips. 4 semester hours
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3.00 Credits
This course examines the nature, evolution, structural and functional components, and relationships that exist within tropical forests worldwide. Abroad range of topics covering the physical, biological, and chemical aspects of tropical environments are explored. Specific topics include forest succession and architecture, tropical microclimate, vertical organization of canopy biota, evolution of tropical plants, tropical parasites, decomposition and nutrient cycling, plant/animal coevolutionary interactions, survival strategies, and the evolutionary history of tropical forests. This course is open to upper division biology and environmental science majors. Prerequisites: BIOL 161, 162. 3 hours lecture. 3 semester hours
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2.00 Credits
This laboratory course is the field component of BIOL/ENVR 340. Students design and carry out a research project that is completed during a one-week fieldtrip experience in a tropical forest environment. Students develop a research question and conduct an extensive literature search on a topic pertaining to tropical ecology prior to traveling to the research site. Students work closely with the instructor(s) to ensure that they are able to complete a project during the week-long field experience. After the project has been completed, students are responsible for analyzing and writing their results as if they intend to submit their research to a journal for publication. Students present their findings to the Widener community or at a regional or national meeting. This course is open to upper-division biology and environmental science students. Upper-division students from other majors within the sciences may be allowed to enroll with the permission of the instructor. Prerequisites: BIOL 161, 162. Corequisite: BIOL/ENVR 340. A total of 35 hours prior to the field experience and 45 hours in the field. 2 semester hours
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2.00 Credits
This course focuses on the evolutionary adaptation of physiology to the problems posed by the biophysical extremes of this world including warm deserts, arctic and alpine environments, freshwater and saline wetlands, deep sea environments, and human-disturbed environments. Although topics represent the extremes of this world, an important message is that all environments are variable and the rules at the extremes apply everywhere- life is always at the edge. The course includes a projectoriented lab that uses methods available to teach the processes of physiological inquiry described in this course. Two hours lecture and six hours lab. Prerequisite: Introductory Biology (BIOL 161, 162), and either Ecology (BIOL/ENVR 301) or instructor's permission. 4 semester hours
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1.00 Credits
This course involves generating a research proposal with an extensive literature review in the area of environmental science. Prerequisite: ENVR 299. 1 semester hour
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2.00 Credits
The Senior Thesis in Environmental Science provides an opportunity for students to participate in independent, investigative research under the direction of select faculty mentors. Prerequisite: ENVR 412. 2 semester hours each
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6.00 Credits
Alecture and laboratory course in microbial ecology and applied microbiology. The role of microorganisms in the environment is studied with emphasis on their roles in the biogeochemical cycles of the elements essential for life. Applied topics such as the microbiology of foods, fermentations, antibiotics, and other industrial processes are discussed. The application of microbial systems to molecular genetics research is also discussed including laboratory exercises in recombinant DNA techniques. Six hours weekly. Prerequisite: BIOL 319 or equivalent. 2 hours lecture. 4 hours laboratory. 4 semester hours
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3.00 Credits
This subject-related work experience or other activity is offered only upon special application from the student and a supervising faculty member. Approval must be obtained in advance from the environmental science faculty and requires a specific outline of work to be done; the nature and extent of its academic relevance; the academic and special preparation of the student for the purposed activity. Written approval must be obtained from the employer/sponsor, and arrangements must be made for regular contact between the student and the supervising faculty member. The student is responsible for making all arrangements. A final report must be submitted upon completion of the activity, and a pass/fail grade will be assigned. The number of semester hours earned will depend on the extent of the approved activity (12 semester hours corresponds to full-time work for a semester). Prerequisite: Junior or senior standing, a GPAof at least 2.5 both in the major and cumulative in all courses, and approval of both the academic advisor of the student and the head of the Science Division. 3-12 semester hours
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