| - Intergovernmental Panel on Climate Change Summary for Policymakers (Green-Metroplex Summary of 2007 Summary) |
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1. Observed changes in climate and their effects.
"Warming of the climate system is unequivocal, as is now
evident from observations of increases in global average air
and ocean temperatures, widespread melting of snow and
ice and rising global average sea level." (See charts below)
"Warming of the climate system is unequivocal, as is now
evident from observations of increases in global average air
and ocean temperatures, widespread melting of snow and
ice and rising global average sea level." (See charts below)
| IPCC Synopsis by Green-Metroplex.com |
| Definition of "GHG emissions" |
| Definition of "pH" |
GHG's are Greenhouse gases; which are
components of the atmosphere that contribute
to the greenhouse effect. Without the
greenhouse effect the Earth would be
uninhabitable;[1] in its absence, the mean
temperature of the earth would be about −2 °F,
rather than the present mean temperature of
about 59 °F, [2]. Greenhouse gases include, in
order of relative abundance: water vapour,
carbon dioxide, methane, nitrous oxide, ozone
and CFCs. Greenhouse gases come from natural
sources and human activity; present CO2 levels
are 380 parts per million by volum (ppmv),
<which is> approximately 100 ppmv higher
than they were in pre-industrial times.
components of the atmosphere that contribute
to the greenhouse effect. Without the
greenhouse effect the Earth would be
uninhabitable;[1] in its absence, the mean
temperature of the earth would be about −2 °F,
rather than the present mean temperature of
about 59 °F, [2]. Greenhouse gases include, in
order of relative abundance: water vapour,
carbon dioxide, methane, nitrous oxide, ozone
and CFCs. Greenhouse gases come from natural
sources and human activity; present CO2 levels
are 380 parts per million by volum (ppmv),
<which is> approximately 100 ppmv higher
than they were in pre-industrial times.
| SRES means "Special Report on Emissions Scenarios" |
pH is a measure of the acidity or alkalinity
of a solution.
of a solution.
| Definition of symbol: "°C" |
From Celsius to Fahrenheit:
Fahrenheit [°F] = [°C] × 9⁄5 + 32
I.E. 14.5 °C X 9/5 + 32 = 58.1 °F
From Fahrenheit to Celsius:
[°C] = ([°F] − 32) × 5⁄9
Fahrenheit [°F] = [°C] × 9⁄5 + 32
I.E. 14.5 °C X 9/5 + 32 = 58.1 °F
From Fahrenheit to Celsius:
[°C] = ([°F] − 32) × 5⁄9
The Celsius temperature scale was
previously known as the centigrade
scale.
The degree Celsius (symbol: °C) can
refer to a specific temperature on the
Celsius scale as well as serve as unit
increment to indicate a temperature
difference between two
temperatures.
previously known as the centigrade
scale.
The degree Celsius (symbol: °C) can
refer to a specific temperature on the
Celsius scale as well as serve as unit
increment to indicate a temperature
difference between two
temperatures.
| Conversion Formula |
Millimeters to Inches:
Inches [in] = [mm] x 0.039370 in
In 1870 mean sea level was
-130 mm (a.k.a. "Little Ice Age":
-130 mm x 0.039370 in = -5.1181 in
In 2007 mean sea level was 72 mm:
72 mm x 0.039370 in = +2.83464 in
Sea levels from 1870 to 2007 have
seen a rise of 7.95 inches.
Inches [in] = [mm] x 0.039370 in
In 1870 mean sea level was
-130 mm (a.k.a. "Little Ice Age":
-130 mm x 0.039370 in = -5.1181 in
In 2007 mean sea level was 72 mm:
72 mm x 0.039370 in = +2.83464 in
Sea levels from 1870 to 2007 have
seen a rise of 7.95 inches.
According to the chart to the left,
from 1928, when Northern
Hemisphere snow cover began to be
measured establishing a mean zero
point, snow cover in the Northern
Hemisphere alone had shrunk by 200
million square Kilometers
(77,220,432 square miles) by the
year 2007. <That's 77 million
square miles folks!>
from 1928, when Northern
Hemisphere snow cover began to be
measured establishing a mean zero
point, snow cover in the Northern
Hemisphere alone had shrunk by 200
million square Kilometers
(77,220,432 square miles) by the
year 2007. <That's 77 million
square miles folks!>
Global average sea level change from
1870 to 2007 has been almost 8
inches higher. (See calculations on
right sidebar.).
1870 to 2007 has been almost 8
inches higher. (See calculations on
right sidebar.).
Norther Hemisphere snow cover
have shrunk 77 million square miles
from 1928 to 2007. (See calculations
on right sidebar.)
have shrunk 77 million square miles
from 1928 to 2007. (See calculations
on right sidebar.)
| The term anthropogenic GHG refers to those greenhouse gases produced by human activity as opposed to the natural cycle of greenhouse gases produced in nature. There is some controversy as to whether human food animals should be classed as natural sources of GHG's or anthropogenic in origin. |