Here is a brief overview of environmental impacts of some of the major renewable energy sources:

Impacts of Renewable Sources

Now knowing the ways in which these sources impact our environment, let us now go through a few main particular sources in detail:

Solar Energy (PV and Thermal)-

Reading Material:

Impacts of solar energy

Solar PV:

Issue of recyclability of PV cells:

Read the following for a full summary: (Pages 134-137)

Environmental Impact of Solar PV

Solar Thermal:

Wind Energy:

Read the following for a full summary of environmental impacts due to wind energy:

Impacts due to wind energy

Fun Fact! Wind energy consumes the least amount of water during its operations amongst all the renewable sources.

This is a detailed resources on the same:

Impacts due to wind energy

Hydroelectric Power: