Sustainability
Eco-Action
Historical Climate Events
Human Impact
Geographical Features
100

The process of converting waste into reusable material.

What is recycling?

100

A piece of land gardened by a group of people to grow food or flowers.

What is a community garden?

100

A time of warm climate from 950 to 1250.

What is the Medieval Warm Period?

100

An increasing number of people living in urban areas.

What is Urbanization?

100

A group of islands clustered together.

What is an archipelago?

200

Using water efficiently to reduce unnecessary use.

What is water conservation?

200

The protection and careful use of natural resources.

What is conservation?


200

Severe drought combined with poor farming techniques caused this event in several American states.

What is the Dust Bowl?

200

Farming practices that include soil cultivation.

What is agriculture?

200

A flat-topped hill with steep sides.

What is a mesa?

300

Energy from sources that are naturally replenished, like solar or wind.

What is renewable energy?

300

Bus or train systems that reduce the need for individual car use.

What is public transportation?

300

This 1815 volcanic eruption led to the Year Without a Summer.

What is the Tambora Eruption?

300

Development of industries on a wide scale.

What is industrialization?

300

A narrow strip of land linking two larger areas.

What is an isthmus?

400

The process of recycling organic waste into fertilizer.

What is composting?

400

Designing cities to improve the quality of life and reduce environmental impact.

What is urban planning?

400

1816, when climate abnormalities caused food shortages.

What is the Year Without a Summer?

400

The condition of having excessively large population numbers.

What is overpopulation?

400

A long, narrow water body surrounded by cliffs.

What is a fjord?

500

Building and growing in ways that protect the environment for future generations.

What is sustainable development?

500

The practice of renewing and restoring degraded, damaged, or destroyed habitats.

What is ecosystem restoration

500

A period of cooling after the Medieval Warm Period.

What is the Little Ice Age?

500

Consumption of resources faster than replenishment.

What is resource depletion?

500

A ring-shaped coral reef that surrounds a lagoon.

What is an atoll?