13 terms

Friedland 19

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global change
change that occurs in the chemical, biological, and physical properties of the planet
global climate change
changes in the climate of earth; an aspect of global change
global warming
the warming of the oceans, landmasses, and atmosphere of Earth; an aspect of global climate change
greenhouse warming potential
an estimate of how much a molecule of any compound can contribute to global warming over a period of 100 years relative to a molecule of CO2
Kyoto Protocol
an international agreement to reduce global emissions of greenhouse gases from all industrialized countries to 5.2% below their 1990 levels by 2012
carbon sequestration
an approach to stabilizing greenhouse gases by removing CO2 from the atmosphere
water vapor
stays in the atmosphere for a very short period of time
carbon dioxide
consistently higher concentration in the atmosphere than all other GHGs
methane
wetlands are the primary natural source
nitrous oxide
agricultural soils are the primary anthropogenic source
positive feedback loop
CO2 increases > temperature increases > decomposition increases > CO2 increases
negative feedback loop
CO2 increases > plant growth increases > CO2 decreases
albedo
Ability of a surface to reflect light
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