Chapter VIII
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MORE DECKS TO EXPLORE
PRESENTATION OUTLINE
GLOBAL WARMING
Photo by Sinéad McKeown
“Look around you. Kill half of what you see. Or if you’re feeling generous, just kill about a quarter of what you see. That’s what we could be talking about.”
Photo by Sergiu Bacioiu
THE ARCTIC
Photo by lwpkommunikacio
“In the tropics 'evolution had a fair chance,' while in glaciated regions 'it had countless difficulties thrown in its way.' ”
Photo by tauntingpanda
“What’s important about the tropics is that temperatures there are relatively stable. Thus tropical organisms tend to possess relatively narrow thermal tolerances, and even slight climatic differences, caused, say, by hills or valleys, can constitute insuperable barriers… Populations are thus more easily isolated, and speciation ensues.”
Photo by ozjimbob
“The variety of life is most impoverished at the poles and richest at low latitudes.”
Photo by kiki follettosa
CLIMATE CHANGES
Photo by LadyDragonflyCC - >;<
“A version of the Amazon rainforest has existed for many millions of years, since before there even was an Amazon. Thus, in the tropics, there’s been lots of time for diversity to… accumulate.”
Photo by angela7dreams
CHANGING FAST
Photo by MattysFlicks
“If evolution works the way it usually does, then the extinction scenario…starts to look apocalyptic.”
Photo by Jim Nix / Nomadic Pursuits
"The countries most impacted are ones with the least ability to respond."
Photo by Martin LaBar (going on hiatus)
DOMINOES
Photo by Jeff Pioquinto, SJ
