Answer :
Alternatives
include use bio fuels. Use of bio fuels does not cause climate change because
it is a closed carbon cycle (carbon dioxide emitted by burning of the fuels is
captured by these plants in photosynthesis). The other is a complete switch to
electric cars and adopting of carbon-fuel free machines.
If this is USATestPrep then...
The answer is: B. Reduction of fossil fuel use through the incorporation of more green power sources.