harmful things that make our air dirty, noisy, or unhealthy pollution harmful things that make our air dirty, noisy, or unhealthy

oxygen gas in the air we need for breathing

garbage things that are thrown away— often discarded in landfills

environment soil, air, and water around us that affect living things

Earth Day Day set aside to focus on taking care of the earth

landfill low area that is filled in (often with garbage)

recycle use again after processing

reuse use again

reduce use less

compost to reuse organic material as fertilizer

wildlife animals living in the wild