Carbon
Carbon is formed in interior of stars
“The cosmos is within us. We are made of star-stuff. We are a way for the universe to know itself”
Carl Sagan
Carbon Cycle
Why study Carbon?
exchanges with biosphere
CO2: greenhouse gas
CO2: and temp over time
Carbon- what is it?
Biochemical Cycles
Natural carbon cycle
oceans
land
PS and respiration
Anthropogenic Carbon
sources
sinks
ocean and acidification