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.

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

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.

The environmental impacts of coal extraction is mostly due to the infrastructure, such as access roads, sludge storage ponds, and worker housing, needed to support it.

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?

The environmental impacts of coal extraction is mostly due to the infrastructure, such as access roads, sludge storage ponds, and worker housing, needed to support it.

Select all correct answers. You are in the developing country of Dominican Republic as part of Doctors Without Borders to test indoor air quality. 75% of your readings are 20 times higher than the U.S. EPA standards. To help residents improve their indoor air quality, what recommendations would you make?

In the following figure, is a primary consumer and is a secondary consumer.   

Select all correct answers. What are the environmental impacts from mountaintop removal mining?