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Global change
broken into many categories that describe how the earth is changing primarily due to anthropogenic (human) causes
Global Climate change
takes into account weather patterns, ocean cycling, temperature, etc.
Goldilocks Zone
perfect position for a planet for life due to expose to sunlight and more
The Greenhouse Effect
gases in the atmosphere absorbing heat and radiating it back to earth
Greenhouse Warming Potential (GWP)
estimates how much a molecule of any compound can contribute to global warming over a period of 100 years relative to a molecule of CO2
Most important Greenhouse Gas
H2O
Most concentrated Greenhouse Gas
CO2
Sources of Greenhouse gases
volcanoes (give off sulfur), nitrous oxygen, methane from decomposition, and anthropogenic causes (they are the most varied, intense, and damaging)
Carbon Sinks
immbolizied carbon not contributing to global temperatures (burning them releases CO2)
Flooding Fields' impact
cause anaerobic decomposition (methane and nitrous oxide)
GCC and Agriculture
Synthetic fertilizer and organic waste contribute, livestock produce gases, landfills give off methane and other gases. deforestation destroy carbon sinks and more
Higher CO2..
means more heat trapped and higher temperatures
Positive Feedback
more CO2 is produced, the earth will warm, quickening decomposition and CO2 production
Negative Feedback
more plants will grow, decreasing CO2, and things will balance out
GCC Consequences in the Hydrosphere
glaciers and play ice caps will melt, permafrost will melt, sea levels will rise
GCC effects on the weather
more heat weaves and droughts or more rain, fewer cold spells, which could mean agricultural productivity but could also prevent pest die-off
GCC Consequences in the Biosphere
organisms die out, mating and feeding could be interrupted, humans would be affected as water becomes scarce and heat intensifies
The Golden Toad
first species driven to extinction because of climate change, lived in the Cloud Forests of Costa Rica but haven't been seen in 20 years
