Some environmentalists support building more nuclear power plants because even though the power plants produce long-lived nuclear waste, the nuclear reactors produce few if any greenhouse gas emissions. True False
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- Some people have proposed that all nuclear power plants in the United States be phased out over the next 20 years. Explain why you agree or disagree.Renewable Energy Alternatives Describe the following renewable energy alternatives: Solar energy Wind power Geothermal energy Ocean energy sources Bioenergy Hydrogen and fuel cellsOf the three sources of energy, natural gas, coal, or nuclear power, which is the most dangerous for those who collect the energy?
- Environmental economists agree that it is important to put a price on carbon as a way to address some of the environmental and health costs of using fossil fuels. True FalseNatural Resources A 1. Which of the following is an example of a renewable energy source? natural gas used to fuel a vehicle oil hydropower nuclear power DE11) The chart below compares the greenhouse gas emissions of several fuel sources. Greenhouse Gas Emissions of Fuel and Energy Sources Sugarcane Ethanol Cellulosic Ethanol Fuel > Gasoline Corn Ethanol Energy > Source Fossil Fuels Biomass Biomass Biomass Source: Adapted from http://energy.itgoverns.com An accurate prediction that could be made regarding the information shown in the chart is that A) fossil fuels emit the least amount of greenhouse gases the use of biomass-based fuels instead of fossil fuels will greatly decrease the production of greenhouse gases B) C) the use of any one of the ethanol sources for fuel will each produce more greenhouse gases than the use of gasoline for fuel D) a total change from gasoline to ethanol as a fuel would have no effect on greenhouse gas emissions Greenhouse Gas Emissions
- The table below shows the demand for pollution permits to emit hydrocarbons in a particular industrial park. Each permit allows the owner to release one tonne of pollutants into the atmosphere. Price per Pollution Permit $4,000 3,500 3,000 Quantity of Permits 200 400 600 2,500 2,000 1,500 8ee 1,800 1, 200 1,400 1,000 a. If no fee for a pollution permit were charged, how many tonnes of pollutants would be discharged into the atmosphere, assuming a straight-line demand curve? Quantity: tonnes b. Suppose government were to set a fee of $3,000 per pollution permit. How many tonnes of pollutants would now be dumped? What is the total revenue received by government? Quantity: tonnes Total revenue: $ c. Suppose that a new technology allows for a significant reduction in hydrocarbons at a relatively low cost so that the demand for pollution permits in the industrial park drops by 200 tonnes. Assuming that government holds the permit fee at $3,000, how many tonnes of pollutants would now be…To generate biogas the required biomass resources must be on wet form, else biogas will not produce. How do you disagree or agree with this statement? Justify your answerWhich statement does not describe an advantage of using conventional crude oil as an energy source? Medium net energy yield Efficient distribution system Environmental costs included in market price Ample supply for several decades Low land disruption
- Defend the statement that the more and longer we use fossil fuels as the dominant fuel in the world, the greater the adverse impacts of that use will be in terms of air and water pollution and the greater the potential disruption for society as increasing worldwide population competes for limited fossil fuels.Carbon Footprint Data Table Home Energy Primary heating source (select one): ______ Natural Gas ___X___ Electricity ______ Fuel Oil ______ Propane Transportation Number of vehicles per household: __2___ Perform regular maintenance on vehicle(s): _Already do_ (already do/ do not do) Total miles you drive with all your vehicles: __120___ miles per _Week_ (year/week) Average gas mileage of all your vehicles: __25__ miles per gallon (Tip: For total miles driven add up miles driven with each vehicle; for average gas mileage of all vehicles, add up individual average gas mileages for each vehicle and divide by the number of vehicles) Waste Average waste emissions for a household of __5__ people: _12,207_ lbs of CO2 CO2 emissions saved by recycling: __1,037____ lbs of CO2 My Household's Carbon Footprint My household size: _5_ My household's current carbon footprint is _38,868_ lbs. The largest contributor to my household's carbon footprint…Case Scenario: The government has set up a nuclear power plant to supply electricity to its communities. Eventually power plant waste has filed up into volume and the problem of its disposal has become an issue. Nuclear power plant waste is highly radioactive waste that takes at least more than 5,000 years to decompose. The government has contemplated and debated burying the waste in one of the unhabitable mountains in the country. As an environmental science graduate, the politicians, as decision-makers, seek your advice on the things to consider before deciding to take the action of burying the waste. Learning the concepts of how dynamic our Earth is through its endogenic process, what would be the technical advice you can give to the decision-makers? The environmental problem, as complex as it is, needs to be addressed holistically. This means that you should use a system analysis approach in solving a problem. System analysis is a process of collecting and interpreting facts,…