The theme for Earth Day 2026 remains Our Power, Our Planet, but its application reflects current global economic, environmental, and civic conditions.

In 2026, Our Power, Our Planet refers to the role of people and communities 1. ?

Explanation

Correct Answer: worldwide

Here, we need an adverb to describe where the role of people is happening. Worldwide means all over the world.

(WORLD) in sustaining environmental protections that affect the cost of living, public health, infrastructure 2. ?

Explanation

Correct Answer: reliability

This space requires a noun to match the others in the list (cost of living, public health, infrastructure). Reliability refers to the quality of being dependable.

(RELY) , and long-term stability. Environmental conditions influence food systems, water 3. ?

Explanation

Correct Answer: availability

Similar to (2), we need a noun. Availability describes the state of water being easy to get or use.

(AVAIL) , energy access, disaster risk, and economic resilience across all regions. Community participation has 4. ?

Explanation

Correct Answer: historically

We need an adverb to modify the verb shaped. It tells us how or when something has happened over a long period.

(HISTORY) shaped these 5. ?

Explanation

Correct Answer: outcomes

A plural noun is needed after the demonstrative these. An outcome is the result or consequence of an action or process.

(COME) across countries and political systems.

Since the first Earth Day in 1970, civic action has helped establish and strengthen environmental 6. ?

Explanation

Correct Answer: institutions

We need a plural noun here. An institution is an organization or society founded for a religious, educational, or social purpose.

(INSTITUTE) , laws, and international norms. These measures have been associated with reductions in pollution-related illness, improved access to clean water, and 7. ?

Explanation

Correct Answer: long-term

This functions as a compound adjective to describe the public health and economic benefits. It means lasting for a long period of time.

(LONG) public health and economic benefits in many parts of the world.

Earth Day 2026 calls on communities around the world to take action during Earth Week to support clean air, clean water, clean energy, protected natural resources, and climate stability. These factors are directly linked to human health, economic predictability, food 8. ?

Explanation

Correct Answer: security

This requires a noun to complete the phrase. Food security is a common term meaning that all people have access to sufficient, safe, and nutritious food.

(SECURE) , and cross-border infrastructure performance.