Pollution is a by-product of human existence.

• True

• False

What is a primary greenhouse gas?

• carbon dioxide

• oxygen

• nitrogen

The first step to solve the problem of adding more greenhouse gases to our atmosphere is to _____ the sources of those gases.

• identify

• reduce

• eliminate

The second step to reduce the amount of new greenhouse emissions into our atmosphere is to _______ the supply or demand of those technologies.

• decrease

• identify

• eliminate

• increase

Pollution is a _____ externality.

• negative

• positive

Price _____ encourage people to pollute less by adding taxes to gasoline or adding subsidies to electric vehicles.

• incentives

• controls

• equalities

A _____ market sets a limit on how much a company can pollute.

• permit

• pollution

• capital

• environmental

The _____ effect says that benefits of an act might be reduced as people change their behavior.

Most countries are working to find solutions to climate change.

• True

• False

Which country leads the world in renewable energy investments?

• China

• United States

• France

• Britian