Other Flashcards
What are 2 hypotheses of the Anthropocene?
Colombian exchange, atomic weapons testing
Explain the hypothesis of the Colombian exchange
CC discovers America. The new world (America) transports maize and potatoes to Europe. Old world (Europe) species go to the americas. Disease also spread between the different worlds. 90% of population are killed from exposure to disease they hadn’t experienced.
Explain the hypothesis of the atomic weapon testing
WW2 ends by 2 bombs in China from America. Nations develop weapon testing. Radiative material goes into the atmosphere and increases radiation levels worldwide.
How have atmospheric CO2 levels changed?
Human activities have raised the atmosphere’s carbon dioxide content by 50% in less than 200 years.