Cars, factories, and airplanes release this into the air. Too much of it can harm the environment and make the air dirty. What is it?

This is the increase in the Earth's average temperature. It happens because too many greenhouse gases are trapped in the atmosphere. What is it?

This is energy that comes from nature and can be used again and again. The sun, wind, and water can provide this type of energy. What is it?

People often do this with trees, flowers, and vegetables. You put seeds or young plants into the ground so they can grow. What action is it?

This idea helps people protect the environment by reducing waste. It includes three actions: reducing, reusing, and recycling. What is it called?

People do this when they want to use less water, electricity, or paper. It helps protect natural resources and the environment. What verb is it?

When water, air, or land becomes dirty because of human activities, we use this word. It can be caused by trash, smoke, or chemicals. What is it?

This happens when the Earth's weather patterns change over a long period of time. It can cause stronger storms, droughts, and unusual temperatures. What is it?