An Inconvenient Truth
What are "the 3 factors" between civilization and Earth?
On class worksheet.
A fuel derived from living matter.
What was Al Gore's purpose in making this documentary?
Open-ended
Because fermentation of yeast can create hydrocarbons. (Biofuel).
How do scientists study global warming? List as many as you can.
ice cores
temperatures
... what else?
List some ways you can help reduce greenhouse gases.
Answers vary.
What is the Kyoto Protocol & who signed it?
192 countries signed it-
It is an international agreement to reduce Green House Gas emissions.
Why was switchgrass mentioned as a good crop for biofuel?
Switchgrass is an attractive biofuel feedstock because it can grow on marginal lands of little agricultural value. It also requires less chemical fertiliser than corn, the dominant source of ethanol currently mixed into unleaded gasoline.
Why does Gore call global warming a moral issue?
... because its impact will be felt by future generations.
How did the technology of a "carbon scrubber" work?
The CO2 has a negative charge, and the scrubber had a slight positive charge. In this way, it "captured" some of the environmental CO2.