ENVS 350-final study guide
1. Exponential Growth: must understand concept of exponential growth and doubling
time of population in order to calculate resource depletion with growing population and
demand.
Doubling Time=70/n where n is percentage growth ra

ENVS 350 midterm
OVERARCHING QUESTIONS
1. Ohms Law: V=R x I v-voltage in volts r-resistance in ohms i-current in amps
Current: electrical flow from negative to positive material
Voltage: potential difference of energy between negative and positive materia

ENVS 350 midterm
OVERARCHING QUESTIONS
1. Ohms Law: V=R x I v-voltage in volts r-resistance in ohms i-current in amps
Current: electrical flow from negative to positive material
Voltage: potential difference of energy between negative and positive materia

Abigail Carson
Envs 350
Homework #3
1. There are 400 ppm of CO2 in our atmosphere, over the last 10 years the annual growth
is 1.1%
a. Given the growth rate of 1.1%, in the year 2100, or 87 years from now, the
concentration of CO2 will be:
Growth Rate For

Abigail Carson
Envs 350
Homework #3
1. There are 400 ppm of CO2 in our atmosphere, over the last 10 years the annual growth
is 1.1%
a. Given the growth rate of 1.1%, in the year 2100, or 87 years from now, the
concentration of CO2 will be:
Growth Rate For

Abigail Carson
Envs 350
Homework #2
1a. The total nameplate capacity in MW for each state as of 2009 given the data in the
excel sheet (this includes the planned operations for each state)
Iowa: 3452.62 MW
Kansas: 1026 MW
Minnesota: 1865.32 MW
North Dakot

Abigail Carson
Envs 350
Homework #2
1a. The total nameplate capacity in MW for each state as of 2009 given the data in the
excel sheet (this includes the planned operations for each state)
Iowa: 3452.62 MW
Kansas: 1026 MW
Minnesota: 1865.32 MW
North Dakot

Abigail Carson
ENVS 350
Hw #1
1a. One US gallon of gas equals 36.6 KwH of energy. (done using online conversion)
1b. A 300hp vehicle driven for two hours consumes 446 kwH of energy. (300 hp=223kw
223kwx2hrs=446kwh).
1c. 1 ton of coal equals 8,141 kwH of e

Abigail Carson
ENVS 350
Hw #1
1a. One US gallon of gas equals 36.6 KwH of energy. (done using online conversion)
1b. A 300hp vehicle driven for two hours consumes 446 kwH of energy. (300 hp=223kw
223kwx2hrs=446kwh).
1c. 1 ton of coal equals 8,141 kwH of e

ENVS 350-final study guide
1. Exponential Growth: must understand concept of exponential growth and doubling
time of population in order to calculate resource depletion with growing population and
demand.
Doubling Time=70/n where n is percentage growth ra

Abigail Carson
ENVS 350
Shiva & Hedges
Humanity has a continuing war on nature between those who think we should exploit and
those who believe we should protect it. Capitalization, corporations, and globalization
have all had drastic effects on the enviro