Mountaintop removal mining exposes rock that heavy metals and other toxic chemicals into the environment.
hydraulic fracturing consumes precious water resources, has the potential to pollute groundwater, and can even cause
nuclear power does not directly emit greenhouse gases, but it does leave behind dangerous nuclear
alternative energy sources of wind power and solar thermal power do not burn fossil fuels, but both affect populations.
the total carbon emissions from alternative energy sources are much than the carbon emitted from fossil fuel plants, making them a good alternative to generating electricity.
respond to the following based on your reading.

how do hydroelectric dams emit greenhouse gases like methane without burning any fossil fuels?