Environmental Science Review

Front

What are fossil fuels classified as nonrenewable?

Back

Fossil fuels are classified as nonrenewable because they take millions of years to replace.

Front

What time period can most of today’s environmental problems be traced back to?

Back

Most of today’s environmental problems can be traced back to the Industrial Revolution.

Front

What is the ecological footprint?

Back

The ecological footprint is the amount of land and water needed to support an individual.

Front

What does 'Spaceship Earth' refer to in terms of matter and energy?

Back

'Spaceship Earth' refers to the fact that Earth is closed to matter and open to energy.

Front

What percentage of the world’s resources are used by 20% of the world’s population?

Back

78% of the world’s resources are used by 20% of the world’s population.

Front

Define nonrenewable resources.

Back

Nonrenewable resources are natural resources that cannot be replenished in a short period of time, such as fossil fuels.

Front

What is the significance of the Industrial Revolution in environmental science?

Back

The Industrial Revolution marked a significant increase in pollution and resource consumption, leading to many current environmental issues.

Front

Explain the concept of sustainability.

Back

Sustainability is the ability to meet present needs without compromising the ability of future generations to meet their own needs.

Front

What is the difference between renewable and nonrenewable resources?

Back

Renewable resources can be replenished naturally over time, while nonrenewable resources are finite and take millions of years to form.

Front

What is an ecological footprint and why is it important?

Back

An ecological footprint measures the environmental impact of an individual or population, indicating how much land and resources are needed.