acid
a substance that contributes hydrogen ions to a soluton
acid rain
precipitation high in sulfuric acid and nitric acid
anthropogenic
caused by humans
asbestos
a long, thin, fibrosis silicate mineral with insulating properties, which can caused cancer when inhaled.
base
a substance that contributes hydroxide ions to a solution
cfcs
chemical that can be used for cooling refridgerators and air conditioners
climate
the average weather that occurs in a given region over a long period of time.
ENSO
reversal of wind currents and water currents in the south pacific
exosphere
atmospheric layer 5, above the Thermosphere
global climate change
a type of global change that is focused on changes in the average weather that occurs in an area over a period of years or decades
global warming
the increase in global temp due to anthropogenic activites
green house effect
absorbtion of infared radiation by atmospheric gases and reradiation of the energy back on to earth
gwp
an estimate of how much a molecule of any compound can contribute to global warming over a period of 100 years relative to one molecule of co2
gyres
A large scale pattern of water circulation that moves clockwise in the northern hemisphere and counterclockwise in the southern hemisphere
indoor air pollutants
compounds that adversely affect the quality of air in buildings and structures
inversion layer
the layer of warm air that traps emissions in a thermal inversion
kyoto protocol
an international agreement that sets a goal for global emissions of ghg from all industrial countries to be reduced by 5.2 percent below their 1990 levels by 2012
la nina
following an El Nino event, trade winds in the south pacific reverse strongly, causing regions that were hot and dry to become cooler and wetter
mesosphere
atmospheric layer 3, above the stratosphere,
montreal protocol
commitment by 24 nations to reduce cfc production by 50 percent before 2000
ozone (o3)
a pale blue gas composed of molecules made up of 3 oxygen atoms
pH
the relative strength of acids and bases in a substance. it is a logarithmic scale, meaning that each number on the scale represents a change by a factor of 10.
randon-222
radioactive gas that occurs naturally from the decay of uranium and is an indoor pollutant
sick building syndrome
a buildup of toxic pollutants in weatherized spaces, such as newer buildings in the developed world.