Energy
Water
Land
Reuse
Miscellaneous
100

An energy source that can never be depleted

Renewable Energy

100

The study of Earth's atmosphere, climate, and weather patterns

Meteorology

100

The removal of forests for agricultural or industrial purposes

Deforestation

100

The conversion of waste products into usable materials

Recycling

100

An organism that exclusively eats plants

Herbivore

200

The energy source in which almost all life survives on

The Sun

200

A river that caught fire in 1969, raised awareness about aquatic pollution

Cuyahoga River

200

Degredation of land over time, caused by weather patterns and water

Erosion

200

A type of organism that scavenges dead organisms and produces nutrients for the soil

Decomposer

200

The collection of biotic and abiotic parts of an area, work together in a lasting cycle

Ecosystem

300

The process of energy transfer from organism to organism, starting with a producer and ending with an apex predator

Food Chain or Food Web

300

Largest source of marine pollution

Plastics

300

This biome is found stretching across the equator, contains much of the biodiversity on Earth

Tropical Rainforest

300

The conversion of food or organic waste into soil

Composting

300

When water evaporates from the surface of leaves

Transpiration

400

Plant-based fuels that can be used in place of gasoline and diesel

Biofuels

400

Term for the increase in acidity of the oceans on Earth

Ocean Acidification

400

Process in which land is sapped of nutrients and water

Desertification

400

The most common metal on Earth, can be infinitely recycled and used for a wide variety of applications

Aluminum

400

The first National Park

Yellowstone

500

A reactor for this type of power is being built in France, will test the feasibility of generating energy in the way the Sun does

Fusion Power

500

Extremely small organisms that live in water, incapable of moving on their own

Plankton

500

President that created the EPA (Environmental Protection Agency)

Richard Nixon

500

Using mushrooms to restore soils that have been polluted by radioactive waste, heavy metals, or other industrial pollution

Mycoremediation

500

The area of study ("ology") that relates to organisms and the environment they live in

Ecology