Presentation Transcript
BBC series: “State of the Earth” : BBC series: “State of the Earth”
BBC Quiz : BBC Quiz What is the underlying cause of most of the environmental problems facing humankind today?
Identify two (of the several) “ecosystem services” discussed in the BBC series.
What are the predictions for climate change impacts on food production?
What is the chief chemical culprit involved global warming? What country is the biggest emitter of this pollution?
Global Carbon Cycle : Global Carbon Cycle http://news.bbc.co.uk/2/shared/spl/hi/sci_nat/04/climate_change/html/carbon.stm http://news.bbc.co.uk/2/hi/science/nature/4224272.stm
Evidence for global temperature increases : Evidence for global temperature increases http://news.bbc.co.uk/2/hi/science/nature/4275729.stm http://news.bbc.co.uk/2/hi/science/nature/4061871.stm
(see “evidence” pull-down feature)
Global temperature increases : Global temperature increases http://news.bbc.co.uk/2/shared/spl/hi/sci_nat/04/climate_change/html/climate.stm
CO2 effects on photosynthesis : CO2 effects on photosynthesis C4 > C3 at low CO2
But, C3 > C4 at high CO2
Slide10 : *At high CO2, C3 more efficient than C4 at all temps.
(photosynthesis only, not other processes)
BBC Series Introduction- Part I : BBC Series Introduction- Part I http://news.bbc.co.uk/2/hi/science/nature/3686106.stm
BBC Series Introduction- Part II : BBC Series Introduction- Part II http://news.bbc.co.uk/2/hi/science/nature/4391835.stm
BBC- Can the planet feed us? : BBC- Can the planet feed us? http://news.bbc.co.uk/2/hi/science/nature/4038205.stm http://news.bbc.co.uk/2/hi/science/nature/4217480.stm
BBC- Climate change: uncharted waters. : BBC- Climate change: uncharted waters. http://news.bbc.co.uk/2/hi/science/nature/4061871.stm
BBC- U.S. climate (in)action : BBC- U.S. climate (in)action http://news.bbc.co.uk/2/hi/americas/4254877.stm
Slide16 : BBC articles for in-class quiz & discussion
http://news.bbc.co.uk/2/hi/science/nature/4038205.stm
http://news.bbc.co.uk/2/hi/science/nature/4061871.stm
http://news.bbc.co.uk/2/hi/science/nature/3686106.stm
http://news.bbc.co.uk/2/hi/science/nature/4391835.stm
http://news.bbc.co.uk/2/hi/science/nature/4224272.stm
http://news.bbc.co.uk/2/hi/science/nature/4217480.stm
Catch the
buzz on authorSTREAM
Copyright © 2002-2008 authorSTREAM. All rights reserved.