comment:
This is an IPAT-S script. IPAT-S is an open-source scripting language
for developing sustainability scenarios. It can be run using the free
IPAT-S software, available from:

	http://ipat-s.kb-creative.net/

For more information, please contact the author of IPAT-S,
Eric Kemp-Benedict (eric@kb-creative.net)
:comment

base year 2002
scenario year 2012

# US Census Bureau pop projection categories
dimension Population 'Low', 'Medium', 'High'

summvar Emissions{Population}, Pop{Population}
ratio EmissionIntensity, GDPperCap

# Emissions given by an index relative to the base year
Emissions.by = 100

# US Census Bureau population projections
# http://www.census.gov (Accessed 7 Dec 2002)
Pop{Population = 'Low'} = 278.8, 294.1
Pop{Population = 'Medium'} = 280.3, 304.8
Pop{Population = 'High'} = 282.1, 318.9

# Bush Administration emission reduction target is
# 18% decrease in intensity over next 10 years
# (from Feb 2002)
EmissionIntensity = incr[-18%]

# This is key input: GDP per cap growth rate
number IncomeGR = <2.0%>
GDPperCap = growth(IncomeGR)

:: Pop >> GDPperCap * EmissionIntensity -> Emissions

report Emissions as "Emissions (2002 = 100)"

# IISD Dashboard Output
print:
	PARAS: Name=<My first Dashboard (c Author)>, Codes=<DE> NoMess
	MAIN_THEME	Demographics	Environment
YEAR	IND_NO	D01	E01
	IND_SOURCE	US Census Bureau	Admin. Plan
	GB_RULE		min
	WEIGHT
	SHORT_NAME	Pop	Emissions
	IND_NAME	Population	CO2 Emissions
	IND_UNIT	millions	2002 = 100
[y.0]	Low	[Pop.by{Population = 'Low'}]	[Emissions.by{Population = 'Low'}]
	Medium	[Pop.by{Population = 'Medium'}]	[Emissions.by{Population = 'Medium'}]
	High	[Pop.by{Population = 'High'}]	[Emissions.by{Population = 'High'}]
[y.fin]	Low	[Pop.fin{Population = 'Low'}]	[Emissions.fin{Population = 'Low'}]
	Medium	[Pop.fin{Population = 'Medium'}]	[Emissions.fin{Population = 'Medium'}]
	High	[Pop.fin{Population = 'High'}]	[Emissions.fin{Population = 'High'}]

:print