BBC series: “State of the Earth”. BBC Quiz What is the underlying cause of most of the...

BBC series:“State of the Earth”

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

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

http://news.bbc.co.uk/2/shared/spl/hi/sci_nat/04/climate_change/html/carbon.stm












Evidence for global temperature increases



(see “evidence” pull-down feature)

Global temperature increases

http://news.bbc.co.uk/2/shared/spl/hi/sci_nat/04/climate_change/

html/climate.stm

CO2 effects on photosynthesis

• C4 > C3 at low CO2

• But, C3 > C4 at high CO2

*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 II


BBC- Can the planet feed us?









BBC- Climate change: uncharted waters.








BBC- U.S. climate (in)action

http://news.bbc.co.uk/2/hi/americas/4254877.stm









BBC articles for in-class quiz & discussion







BBC series: “State of the Earth”. BBC Quiz What is the underlying cause of most of the...

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