Global Atmospheric Changes Flashcards
What is the IPCC?
Intergovernmental Panel on Climate Change
What happens to the majority of solar radiation that strikes the Earth?
49% absorbed by land and ocean
What did the IPCC conclude?
Greenhouse gases have increased dramatically every decade
2000s was warmest decade in ___ yrs
1000
What are the five major greenhouse gasses?
Carbon dioxide, methane, nitrous oxide, CFCs, and tropospheric ozone
What greenhouse gas has increased the most?
Methane –> from fossil fuels, landfills, and livestock
Sea levels have risen __ inches since 1900
8 inches
When was the Kyoto Protocol drafted?
1997
What did the Kyoto protocol aim to do?
Decrease 6 greenhouse gases 5% by 2012
When and where was the ozone hole discovered?
1985, over Australia
CFCs split ozone to form what?
Molecular oxygen
When were CFCs banned by the US?
1978
What was the Montreal Protocol, and when was it signed?
Banned CFCs worldwide; 1987
How many nations signed the Montreal Protocol?
180
Damages from acid precipitation in the US exceed $___
$10 billion per year
