[header] How to celebrate earth day as a gardener [title] Research fertilizers and pesticides that are less harmful to the environment. [step] Go through your current products to see if they have potential negative effects on organisms, soil, water or air quality. Replace your products with natural, non-harmful products. 
[substeps] Avoid overuse of organic pesticides and fertilizers. They can be harmful to microorganisms that are found in nutrient rich soil.