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ENV100Y5 Study Guide - Final Guide: Interstellar Cloud, Environment And Climate Change Canada, Longitudinal Wave


Department
Environment
Course Code
ENV100Y5
Professor
Barbara Murck
Study Guide
Final

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Module 1
Chapter 1
Defining Environment?
Legal, Social, Economic and Scientific aspects
Stakeholders have different views
Environment Canada : preserve and enhance the quality of Canada’s natural
environment, conserve our renewable resources, and protect our water sources
How do we relate to the environment? Philosophical, religion, cultural, aesthetics,
emotional
Environmental Science explores interactions between humans and the physical
and biological world
The study of how the natural world works, how our environment affects us, and
how we affect our environment
It’s interdisciplinary; ways we divide up how we relate to the government
Emergent properties: our understanding is greater than “a sum of the parts”
meaning when you look at the interconnections you can’t just take them apart,
always unpredictable, so many interactions that it’s difficult to predict
Science is a systematic approach for learning about the world and understanding
of it
Accumulated body of knowledge that arises from this dynamic process
“Conflict” Technosphere vs. Ecosphere
Millennium ecosystem assessment is comprehensive scientific assessment of the
state of the world’s ecosystems and their ability support life and civilization
Significance? Starting looking at ecosystem services for the first time in a
systematic way
Major findings check ppt*
Scientific Method a technique for testing ideas with observations, involves several
assumptions and a series of interrelated steps
Sustainability meeting presents needs without compromising the ability of future
generations to meet their needs
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Three Legged Sustainability Stool environmental, social and economic
Overlapping Circle Model Economy, society and environment *sustainability
middle
Nested Dependencies Model
Chapter 2
Hypothesis is provisional statement that proposes a possible explanation for a
particular observed phenomenon
Superstitions have primitive hypothesis
In environmental science we propose and test hypotheses to understand patterns
and relationships in nature, and to understand the effects and consequences of
human activities on the environment
Good hypotheses “breed” meaning when it’s tested it leads to other hypotheses
Null hypotheses has “no effect”
How is a prediction difference from hypotheses? A prediction is more like a “if
then” and gives rise to study designs whereas hypotheses is more abstract
Good study deigns have adequate sample size, unbiased, achievable, have some
kind of comparison and are ethical
A good hypotheses is SMART (Specific, Measurable, Achievable, Realistic and
Time bound)
Bad hypotheses supports the null, no relationship, dead end
Age of sun and solar system: 4.57 billions of years
Age of earth: 4.54 billions of years
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