EESA01H3 Lecture Notes - Lecture 2: Homo Naledi, Doubling Time, Fertile Crescent

32 views4 pages
Published on 6 Dec 2015
EESA01 – Lecture 2
What is environmental science?
-It is the discipline which combines many different fields of study into one in
order to increase our understanding of our environment and surroundings
-Many fields are included such as:
i. Economics
ii. Engineering
iii. History
iv. Chemistry
v. Biology
vi. Ecology
vii. Ethics
…and many more
Environmental Scientists and Environmentalists
-These 2 types of people are not the same
-The basis of science is to NOT approach a problem with a biased view
-Many environmentalists are not objective with their views, i.e. they are biased
-This does not mean that the 2 groups are mutually exclusive, just that they are
not the same
Different philosophies on our future
-There are 2 main philosophies concerning our environmental future
1. Cornucopia (literally horn of plent): view the future more positively
They assume that human ingenuity will see us through crisis when the time
2. Cassandra (mythical princess that predicted disasters): view the future
more negatively
Believe that our environmental impact is past the tipping point
-Bigger, more advanced countries tend to have a larger ecological footprint
-The global ecological footprint is now estimated to be 40% greater than what
the Earth can sustain
The IPATS model
-1974: Paul Ehrlich and John Holdren
-The model measures the Total impact (I) on the environment as a result of the
interactions between Population (P), Affluence (A), Technology (T), and
Sensitivity (S)
Unlock document

This preview shows page 1 of the document.
Unlock all 4 pages and 3 million more documents.

Already have an account? Log in

Get OneClass Notes+

Unlimited access to class notes and textbook notes.

YearlyBest Value
75% OFF
$8 USD/m
$30 USD/m
You will be charged $96 USD upfront and auto renewed at the end of each cycle. You may cancel anytime under Payment Settings. For more information, see our Terms and Privacy.
Payments are encrypted using 256-bit SSL. Powered by Stripe.