Coming to the last but NOT the least (in terms of environmental impacts) sub-topic, let us know learn about Non-Renewable Energy and its impacts. Read the following for a brief overview:

Impacts of Non-Renewable energy

Below is a LCA representation of an oil fired power plant: (no need to remember, just appreciate the fact that burning of oil is not the only impact that fossil fuel contributes)

Here are a few topics that should be discussed in detail:

Oil spills: (Petroleum)

Fracking: (Natural Gas)

Acid Rain: