Scientists predict that even if atmospheric greenhouse gas concentrations were to remain at current levels, additional warming of Earth is unavoidable
Explain two mitigation approaches (one regulatory and one economic incentivee)
that are currently being employed.
Regulations currently in place involve the U.S. government regulations for automobile mileage, known as the CAFÉ standards. The current CAFÉ standard for automobiles is 27.5 mpg. Since these standards are aimed at reducing fuel use, it has had a significant effect on CO2e emissions. European Union countries are regulating a diminishing dependence on fossil fuels, with an increasing proportion coming from renewable sources.
Economic incentives have been demonstrated by the current European Union cap-and-trade policy regulating greenhouse gas emissions from electric utilities. In this approach, after the regulatory cap has been determined for each electric utility, the utility manager may choose to reduce their emissions to meet this standard, or alternatively, they may purchase credits from other utilities whose CO2 emissions are below the cap. Gasoline taxes being employed by most industrial countries are another example of an economic incentive approach to reduce greenhouse gas emissions.
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Define soil degradation and discuss the processes leading to it
Human activities that can significantly contribute to shoreline erosion include ____
A) building sand dunes near the backshore to protect property B) importing sand to beaches from offshore C) placement of seawalls along the shoreline D) excess fishing and boating activities
What effect does tilting the Earth’s rotational axis have on the distribution of solar radiation (insolation)?
What effect does tilting the Earth’s rotational axis have on the distribution of solar radiation (insolation)? A) Causes seasons B) Causes day and night C) Causes eclipses
The advantage of using wind energy is that it ____
A)is cheaper to produce energy with wind than with natural gas B)can be harnessed from any location C)is always "on," so there is not a need for back-up generation methods D)allows for multiple uses of the land E)kills fewer birds than buildings and power lines