Sixth Extinction: Chapter 6 and 7
No Description
MORE DECKS TO EXPLORE
PRESENTATION OUTLINE
THE SIXTH EXTINCTION
The Sea Around Us & Dropping Acid
SIXTH EXTINCTION: Rhetorical purpose
we will inevitably cause our own demise
Reinforcing the Claim:
"What this history reveals, in its ups and its downs, is that life is extremely resilient but not infinitely so"
CLAIM
humans are causing this extinction
Chapter 6:
The Sea Around Us
CASTELLO A. ISLAND
murder vents
EMILIANIA HUXLEYI
Enclosed in elevated Carbon Dioxide levels
Growing numbers of Plankton
"overall diversity will be lost...in all these times of major mass extinction"
Chapter 7:
Dropping Acid
CLAIM
Regulate Carbon Dioxide Emission
Because: geophysical processes will more effectively counteract increasing acidification
Claim: regulate the rate at which they emit carbon dioxide
Warrant: the decrease in carbon dioxide by geological processes will slow down the rate of extinction and possibly reverse the damage
Claim: regulate the rate at which they emit carbon dioxide
Warrant: the decrease in carbon dioxide by geological processes will slow down the rate of extinction and possibly reverse the damage
Florida's Coral Reefs
ONE TREE ISLAND RESEARCH CENTER
BLEACHEd CORALS
the destruction begins
BIOSPHERE 2
Testing Water Chemistry
Claim
We can fix our Mistakes
