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Welcome to Environmental Geography!

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Title: Welcome to Environmental Geography!


1
Welcome to Environmental Geography!

(Photo by P. Regoniel in Picable).
  • GEOG 101 (Section 01) Day 1

2
Getting Oriented
  • My name is Don Alexander. My office is across the
    street at Building 359, Room 215. My local is
    2261, and my office hours are noon to 1 on
    Mondays and Wednesdays.
  • Welcome back event for geographers on 12th at
    1030 a.m. in Map Room.
  • How many of you are at VIU for the first time? If
    so, if you need a hand figuring anything out,
    just let me know.
  • Free Student Store in Lower Cafeteria on Thursday
    9 to 2.
  • The textbook for this course is available in the
    bookstore. There may be used copies of the
    previous edition at the bookstore or at the
    student union store. Its Environment The
    Science Behind the Stories (Canadian edition) by
    Jay Withgott, Scott Brennan, and Barbara Murck
    (Toronto Pearson Canada, 2013) see
    www.pearsoned.ca/highered/ myenvironmentplace/inde
    x.html for student support materials. It's a
    good book, with lots of illustrations, case
    studies, and Canadian examples. Please note that
    we will be skipping Chapters 2-4 and going
    straight to Chapter 5 for next week.

3
Course Focus
  • This course will provide an introduction to the
    Earth's biophysical systems from an environmental
    science/ environmental geography perspective,
    with a focus on the increasing impacts of human
    beings on these systems, and methods for
    analyzing and evaluating human-environment
    relationships.
  • Topics include carrying capacity limits to
    growth ecological footprints ecosystems and
    energy flows human population growth and
    dispersion agriculture and food issues
    biodiversity forest management water resources
    and fisheries climate change and air pollution
    energy use waste management urban
    sustainability environmental ethics and policy,
    and other concepts and practices relevant to a
    sustainable world.

4
Getting Oriented
  • The course will be a mix of lectures, discussion,
    videos, and assignments.
  • Keep in mind that this course has a waitlist, so
    please decide this week if you are going to stay,
    or if you have a friend who is registered but is
    not here today, tell them to e-mail me right
    away. check!
  • Also read the course outline carefully.... We
    will go over some of it today.
  • If you suffer from a disability of any kind, you
    need to register with Disability Services (in
    Building 200) and let me know as soon as possible.

5
Getting Oriented
  • The focus of the course is the global ecological
    crisis see http//energyskeptic.com/2011/9-planet
    ery-boundaries/ and what we can do to address
    it, including what is already being done in a
    number of sectors. If you have specific
    interests, let me know and I will try to
    accommodate them if at all possible.
  • What are some key environmental issues facing our
    planet? What is causing them and how are they
    impacting on people and other species?
  • I would also like to take advantage of whatever
    knowledge or previous life experience you have
    that is relevant. What can you offer?
  • Arctic Ice Decline Much Worse Than Expected
  • (summer 2012 news story)

6
Getting Oriented
  • The course will involve two one and half hour
    lectures per week, occasional guest speakers,
    videos, class discussion, and hands-on
    activities.
  • In addition to the final exam and a mid-term
    quiz, there will be two major assignments. For
    these, you will choose from the four following
    options a life-cycle analysis of an everyday
    product, a media analysis of a controversial
    environmental issue, a research and writing
    project on the ecological and social values
    associated with West Linley Valley, and the
    development of an environmental education unit to
    present in a local elementary or secondary
    school. You may also be asked to answer questions
    about videos shown, and to participate in a
    debate on a key environmental topic. more
    instructions soon!

7
Getting Oriented
  • EVALUATION
  • 1. Attendance and Participation in in-class work-
    10
  • 2. Mid-term quiz- 15
  • 3. Life-cycle Analysis or Campus Problem-solving
    Project- 25 (see outline for proposal and final
    due dates)?
  • 4. Media analysis or Elementary/ High School
    Educational Outreach Exercise- 25
  • 6. Final Exam- 25 (TBA)?
  • ________________________
  • 100 more on the assignments soon
  • You can also boost your participation marks by
    bringing relevant resources to my and the class'
    attention.

8
Ground Rules
  • No late assignments unless there is some health
    or family emergency.
  • No plagiarism all assignments must be original.
    If you have any questions about what that means,
    we can talk about it.
  • Critical thinking is encouraged!
  • For referencing use the parenthetical forms of
    University of Chicago or APA (The Writing Centre
    has handouts or see http//libguides.viu.ca/citing
    ).
  • If at all possible print double-sided or on scrap
    paper.
  • If you're going to miss a class, please let me
    know.
  • When you do miss, it's your responsibility to
    keep up with the readings, and see what was
    covered in lecture by viewing the lecture notes
    on my web site http//web.viu.ca/alexander2
    under Courses.
  • No abuse of laptops or phones in class (i.e.
    surfing or Facebook).

9
Chapter 1 will help you understand
  • The meaning of the term environment
  • The importance of natural resources and
    ecosystems
  • That environmental science and environmental
    geography are interdisciplinary
  • The scientific method and how science operates
  • Some pressures facing the global environment
  • Sustainability and sustainable development

1-9
10
Our Island, Earth -- Overview
  • All the things around us with which we interact
  • Biotic (living things)
  • Animals, plants, forests, soils, etc.
  • Abiotic (nonliving things)?
  • Continents, oceans, clouds, icecaps
  • Our built environment
  • Structures, human-created living centres
  • Social relationships and institutions

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Humans
  • are altering the natural systems we need for
  • resources, health, life-span, wealth, mobility,
    leisure
  • Impacts
  • natural systems have been degraded
  • long-term threat to health and survival of
    ourselves, other species and ecosystems
  • Environmental science and environmental geography
    study
  • how the natural world works
  • how the environment affects humans and vice versa
  • Environmental geography gives special emphasis to
    how things interrelate in space for instance,
    the relationship between pollution and climate
    change and health impacts on humans or
    ecosystems, or the spread of exotic species and
    how they impact on indigenous species.

1-11
12
Natural resources vital to human survival
FIGURE 1.1
  • Renewable resources
  • Perpetually available sunlight, wind, wave
    energy
  • Those that renew themselves over longer periods
    timber, water, soil
  • can be overharvested
  • Nonrenewable resources finite supply can be
    depleted
  • Oil, coal, minerals

1-12
13
Global human population growth
  • More than 7 billion humans
  • Why so many humans?
  • Agricultural revolution
  • Stable food supplies
  • Industrial revolution
  • Urbanized society powered by fossil fuels
  • Sanitation and medicines (decline in death rate)

1-13
FIGURE 1.2
14
The Tragedy of the Commons
by Garrett Hardin
  • Unregulated exploitation of open access
    resources leads to resource depletion --
    examples?
  • Resource users are tempted to increase use until
    the resource is gone
  • Solution?
  • Private ownership?
  • Voluntary organization to enforce responsible
    use?
  • Governmental regulations?

1-14
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The ecological footprint
developed by Mathis Wackernagel William Rees
  • The environmental impact of an individual or
    population
  • Amount of biologically productive land water
    required to provide raw materials a population
    consumes and absorb the waste produced
  • Overshoot humans have surpassed the Earths
    capacity (the date when humans are said to have
    overshot the Earth's carrying capacity is said to
    fall earlier and earlier each year and now occurs
    August 22nd).

We are using 40 more of the planets resources
than are available on a sustainable basis from
all the land!
1-15
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Environmental science
can help us avoid mistakes made in the
past. The lesson of Easter Island
people annihilated their culture by destroying
their environment. Can we act more wisely to
conserve our planet, or will we drive a
bitumen-filled SUV straight into a cement wall?
1-16
17
Environmental science/ geography are
interdisciplinary
  • What experts would you need for
  • The construction of a new hydroelectric dam
  • Environmental review for the Northern Gateway
    pipeline
  • The proposed draining of a wetland to build a new
    subdivision
  • A proposal to permit bear hunting in a national
    park
  • The management of a large oil spill offshore from
    a coastal ecosystem

FIGURE 1.3
1-17
18
What is an environmental problem?
  • The perception of what constitutes a problem
    varies between individuals and societies
  • e.g. DDT, a pesticide
  • In developing countries welcome because it kills
    malaria-carrying mosquitoes
  • In developed countries not welcome, due to
    health risks

FIGURE 1.4
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Environmental science is not environmentalism
  • Environmental science
  • The pursuit of knowledge about the natural world
  • Scientists try to remain objective (though
    sources of funding can influence questions
    studied and conclusions arrived at)?
  • Environmentalism
  • A social movement dedicated to protecting the
    natural world, though some environmental
    scientists (e.g. David Suzuki, Andrew Weaver)
    become environmentalists because they feel the
    'facts' demand that we take action as a society
    and as a species.

1-19
20
  • Science
  • A systematic process for learning about the world
    and testing our understanding of it
  • A dynamic process of observation, testing, and
    discovery
  • The accumulated body of knowledge that results
    from this process
  • Science is essential for
  • Sorting fact from fiction
  • Developing solutions to the problems we face

The nature of science
Current controversy over federal government
cancelling evidence-based science projects/
centres and muzzling scientists. This has led to
recent protests (Death of Evidence in Ottawa)
and to editorials in the prestigious science
journal, Nature http//www.nature.com/nature/jour
nal/v487/n7407/full/487271b.html
1-20
21
Science Critically examining evidence
  • Scientists design tests are ideas supported by
    evidence?
  • Explanations must
  • Be testable
  • Resist repeated attempts to disprove it
  • Eventually consensus results, as with
    human-induced climate change.
  • Accepted ideas can be applied in policy and
    management decisions (e.g. prescribed burning)?

1-21
22
The scientific method
  • A technique for testing ideas with observations
  • Assumptions
  • The universe works according to unchanging
    natural laws
  • Events arise from causes, and cause other events
  • We use our senses and reason to understand
    natures laws

FIGURE 1.7
1-22
23
The scientific method
  • A scientist makes an observation and asks
    questions of some phenomenon
  • The scientist formulates a hypothesis, a
    statement that attempts to explain the scientific
    question.
  • The hypothesis is used to generate predictions,
    which are specific statements that can be
    directly and unequivocally tested.
  • The test results either support or reject the
    hypothesis

FIGURE 1.7
1-23
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There are different ways to test hypotheses
  • Natural or correlational tests show real-world
    complexity
  • Cannot show causation
  • Manipulative experiments yield the strongest
    evidence
  • Can show causation
  • Not always possible to use

FIGURE 1.8
1-24
25
The scientific process is part of a larger process
  • The scientific process includes peer review,
    publication, and debate
  • A consistently supported hypothesis becomes a
    theory, a well-tested and widely accepted
    explanation
  • With enough data, a paradigm shift a change in
    the dominant view can occur (examples?)

FIGURE 1.9
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26
Sustainability and the future of our world
  • Human population growth exacerbates all
    environmental problems
  • The growth rate has slowed, but we still add more
    than 200,000 people to the planet each day
  • Our consumption of resources has risen even
    faster than our population growth.
  • Life has become more pleasant for us so far
  • However, rising consumption amplifies the demands
    we make on our environment.

1-26
27
Ecological footprints are not all equal
  • The ecological footprints of countries vary
    greatly
  • Canada uses far more than its equal share of the
    worlds resources
  • Developing countries have much smaller footprints
    than developed countries

FIGURE 1.10
1-27
28
We face challenges in agriculture
  • Expanded food production led to increased
    population and consumption
  • Its one of humanitys greatest achievements, but
    at an enormous environmental cost
  • Nearly half of the planets land surface is used
    for agriculture that depends heavily on
  • chemical fertilizers
  • pesticides, and produces
  • erosion
  • changed natural systems

1-28
29
We face challenges in pollution
  • Waste products and artificial chemicals used in
    farms, industries, and households
  • Each year, millions of people
    die from pollution

1-29
30
We face challenges in climate
  • Scientists have firmly concluded that humans are
    changing the composition of the atmosphere
  • The Earths surface is warming
  • catastrophic decline in Artic sea ice
  • melting glaciers
  • rising sea levels
  • impacted wildlife and crops
  • increasingly destructive weather
  • Since the Industrial Revolution, atmospheric
    carbon dioxide concentrations have risen by 38,
    to the highest level in 650,000 years

1-30
31
We face challenges in biodiversity
  • Human actions have driven many species extinct,
    and biodiversity is declining dramatically
  • We are at the onset of a mass extinction event

FIGURE 1.12
Biodiversity loss may be our biggest
environmental problem once a species is extinct,
it is gone forever
1-31
32
The Millennium Ecosystem Assessment
  • The most comprehensive scientific assessment of
    the condition of the worlds ecological systems,
    carried out by the UN
  • Major findings
  • humans have drastically altered ecosystems
  • these changes have contributed to human
    well-being and economic development, but at a
    cost
  • environmental degradation could get much worse
  • degradation can be reversed, but it requires a
    lot of work

1-32
33
Our energy choices will affect our future
  • The lives we live today are due to fossil fuels
  • machines
  • chemicals
  • transportation
  • products (e.g. plastics)
  • Fossil fuels are a one-time bonanza supplies
    will certainly decline
  • We have used up ½ of the worlds oil supplies
    how will we handle this imminent fossil fuel
    shortage?

1-33
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Sustainable solutions exist
  • We must develop solutions that protect both our
    quality of life and the environment
  • organic agriculture
  • new technology
  • reduce pollution
  • conservation
  • recycling
  • renewable energy sources

FIGURE 1.13
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Are things getting better or worse?
  • Many people think environmental conditions are
    better
  • Cornucopians Human ingenuity will solve any
    problem
  • Some think things are much worse in the world
  • Cassandras predict doom and disaster
  • How can you decide who is correct?
  • Are the impacts limited to humans, or are other
    organisms or systems involved?
  • Are the proponents thinking in the long or short
    term?
  • Are they considering all costs and benefits?

1-35
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Sustainability a goal for the future
  • How can humans live within the planets means?
  • Humans cannot exist without functioning natural
    systems
  • Sustainability
  • Leaves future generations with a rich and full
    Earth
  • Conserves the Earths natural resources
  • Maintains fully functioning ecological systems
  • Sustainable development the use of resources to
    satisfy current needs without compromising future
    availability of resources (ambivalent meaning??)

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Conclusion
  • Environmental science helps us understand our
    relationship with the environment and informs our
    attempts to solve and prevent problems.
  • Identifying a problem is the first step in
    solving it
  • Solving environmental problems can move us
    towards health, longevity, peace and prosperity
  • Environmental science and geography can help us
    find balanced solutions to environmental problems

1-37
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QUESTION Review
  • The term environment includes
  • Animals and plants
  • Oceans and rivers
  • Soil and atmosphere
  • All of the above are included in this term

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Will we develop in a sustainable way?
  • The triple bottom line sustainable solutions
    that meet
  • environmental goals
  • economic goals
  • social goals
  • Requires that humans apply knowledge from the
    sciences to
  • limit environmental impacts
  • maintain functioning ecological systems

1-39
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QUESTION Review
  • Which of the following is correct about the term
    environmentalism?
  • It is very science-oriented
  • It is a social movement to protect the
    environment
  • It usually does not include advocacy for the
    environment
  • It involves scientists trying to solve
    environmental problems

1-40
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QUESTION Review
  • Adding various amounts of fertilizer to plants
    in a laboratory is a _____ type of experiment
  • Correlative
  • Natural
  • Manipulative
  • Rare

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QUESTION Review
  • What is the definition of sustainable
    development?
  • Using resources to benefit future generations,
    even if it means lower availability now
  • Letting future generations figure out their own
    problems
  • Using resources to satisfy current needs without
    compromising future availability
  • Letting each country decide what is its best
    interest

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QUESTION Weighing the Issues
  • Which do you think is the best way to protect
    commonly owned resources (i.e., air, water,
    fisheries)?
  • Sell the resource to a private entity
  • Voluntary organizations to enforce responsible
    use
  • Governmental regulations
  • Do nothing and see what happens

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QUESTION Weighing the Issues
  • Do you think the rest of the world can have an
    ecological footprint as large as the footprint of
    the Canada?
  • Yes, because we will find new technologies and
    resources
  • Yes, because the footprint of Canada is not
    really that large
  • Definitely not the world does not have that many
    resources
  • It does not matter its not that important

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QUESTION Interpreting Graphs and Data
According to this graph, what has happened to the
population over the last 500 years?
a) It has grown exponentially b) It has grown
linearly c) It has decreased d) It has slowed
down recently
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QUESTION Interpreting Graphs and Data
  • What happens if test results reject a hypothesis?
  • a) The scientist formulates a new hypothesis
  • b) It shows the test failed
  • c) The hypothesis was supported
  • d) The predictions may not have been correct

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