Of the available policy options regarding eventual conversion to renewable energy sources, environme

Of the available policy options regarding eventual conversion to renewable energy sources, environmentalists would probably prefer that ________.
A) we pass laws immediately banning the use of fossil fuels
B) we pass laws immediately banning the exploration and development of further fossil fuel resources
C) we encourage, with subsidies, tax rebates, and grants, the rapid development and widespread use of renewable alternative energy resources
D) we prepare for a gradual changeover by slowly increasing funding and putting alternative energy resources into place over the next 100 years
E) we plan for the switch to renewable energy sources, but not implement any plans until all fossil fuels have been depleted