Unit 1: Sustainability and Ecological Footprint

Question 1

Five global indicators that monitor natural systems

Answer 1

Average global surface temperature and CO2 concentration, biological diversity, food production, human population, and resource depletion.

Question 2

What requirements must we meet to live sustainably?

Answer 2

We must not damage environmental systems so much that they cannot recover, not use renewable resources quicker than they can regenerate, and we must used nonrenewable resources conservatively.

Question 3

What are basic human needs?

Answer 3

The things humans need to survive: air, water, food, health, and shelter.

Question 4

What does ecological footprint tell us?

Answer 4

The measure of how much a person consumes shown by how much land it would take to support them.