Lecture 9.docx

3 Pages
Unlock Document

University of Toronto Scarborough
International Development Studies
Anne- Emanuelle Birn

Health and the Environment – Lecture 9 – November 16 , 2010  Box 10-1, Table 10-2, Table 10-3 o Know agents of environmental health problems  Ecology through the ages (pg. 472-3) o From hunter gathers 150,000 years ago  Era of balance o To domestication of animals and plants o To human settlements and cities 5000 years ago o To extractive industries 900-1500 years o To imperial exploitation 1600 onwards th o To the industrial revolution 19 century o To era of mass production and consumption o Environmental problems have accumulated during less than 10% of human history  Figure 10-1 o Policies and politics feeding back into the health environment o Nothing natural about a disaster = ecological disaster  Climate change pg 475-8 o UN intergov Panel on Climate Change reached consensus in 07:  Temps are rising  Related to human activities, especially fossil fuel burning o Magnitude of relationship, currently and in future, remains uncertain  Tries to invalidate the theories o Greenhouse Effect makes the earth liveable o BUT it has been magnified in recent centuries due to emission of greenhouse gases due to human activities o Earth’s temp is est. to have risen by 1 degree in the last 30 yrs and may rise 2-10 degrees in the future o Huge rise in concentration of main GHG since 1750: CO2, CH4 and NO2 o Principal sources  Cars  Production o Fourfold rise in energy production o Is population the cause?  Not really, because the countries with the highest pop has the lowest emission o N. America and Europe account for 60% vs. S. Asia and Africa and 3.2% world energy consumption o Therefore, market forces shaping production and consumption patterns are far more imp than pop in explaining patterns of fossil fuel consumption  Table 10-1 o 1990-2004…huge increase in tons o Certain parts of the world emit more than other parts  Climate Change: potential health consequences (477-8) o Heat waves and droughts o Precipitation changes o Climate change: large scale effects with interlocking relationships  Box 10-2 o Consequences of and responses to climate change go beyond the lifetimes…and personal sacrifices (p. 479)  Ecological Footprint p 480 o Translates human consumption of renewable natural resources into hectares of avg biologically productive land o Individual footprint o Global footprint o Human consumption outstripped earth’s biological productivity by 20% in 2001 o Global footprint in 03: 2.3  US: 9
More Less

Related notes for IDSB04H3

Log In


Don't have an account?

Join OneClass

Access over 10 million pages of study
documents for 1.3 million courses.

Sign up

Join to view


By registering, I agree to the Terms and Privacy Policies
Already have an account?
Just a few more details

So we can recommend you notes for your school.

Reset Password

Please enter below the email address you registered with and we will send you a link to reset your password.

Add your courses

Get notes from the top students in your class.