Since nonrenewable energy sources like coal and oil are increasing and cost less to extract them when compared to 20 years also, alternative energy sources are not necessary.

Since nonrenewable energy sources like coal and oil are increasing and cost less to extract them when compared to 20 years also, alternative energy sources are not necessary.

Which renewable energy source pumps cold water into dry underground rock to be heated. Then the heated water is drawn back up to the surface to generate power. This method may cause minor earthquakes.

One reason for the “economy vs. the environment” mindset is that people may not foresee the long-term savings when having to make the necessary up-front investments.

Which renewable energy source pumps cold water into dry underground rock to be heated. Then the heated water is drawn back up to the surface to generate power. This method may cause minor earthquakes.

Water that is behind a dam is an example of this type of energy.

Select all correct answers. Identify effects of climate change to health.

Select all correct answers. Identify effects of climate change to health.

Which renewable energy source could deplete ozone in the atmosphere if there is leakage?

In the following figure, [answer1] is a primary consumer and [answer2] is a secondary consumer.