| Declutter for a Cause Month | Cause | Activities, Environmental |
| National Green Week | Cause | Awareness, Conservation, Environmental |
| Kyoto Protocol Day | Federal | Environmental |
| Gardening, Nature and Ecology Books Month | Special Interest | Books, Environmental, Hobby |
| World Seagrass Day | Special Interest | Conservation, Environmental |
| Sea Week | Special Interest | Appreciation, Conservation, Environmental |
| National Fix a Leak Week | Special Interest | Awareness, Environmental |
| Maple Syrup Saturday | Food & Beverage | Breakfast, Environmental, Sweet Food |
| National Renewable Energy Day | Special Interest | Awareness, Environment, Environmental |
| Earth Month | Cause | Awareness, Environmental, Wildlife |
| Fossil Fools Day | Cause | Awareness, Environmental |
| National Dandelion Day | Special Interest | Appreciation, Environmental |
| National Hanging Out Day | Special Interest | Awareness, Conservation, Environmental |
| International Mother Earth Day | Cause | Awareness, Conservation, Environmental |
| National Scoop the Poop Week | Animal | Awareness, Dog, Environmental |
| Hurricane Preparedness Week | Special Interest | Awareness, Environmental, Safety |
| Sun Day | Special Interest | Education, Environment, Environmental |
| Mother Ocean Day | Cause | Appreciation, Awareness, Environmental |
| Flower Day | Special Interest | Appreciation, Environmental |
| Water Saving Week | Cause | Awareness, Conservation, Environmental |
| Great Outdoors Month | Special Interest | Activities, Environmental, Fun |
| National Pollinators Month | Cause | Conservation, Environment, Environmental |
| National Rose Month | Special Interest | Appreciation, Environment, Environmental |
| European Bicycle Day | Special Interest | Activities, Environmental, Hobby |
| End Mountain Top Removal Week | Cause | Awareness, Environmental |
| National Week of the Ocean | Special Interest | Awareness, Environmental, Wildlife |
| International Day for the Fight against Illegal, Unreported and Unregulated Fishing | Cause | Awareness, Conservation, Environmental |
| World Green Roof Day | Special Interest | Awareness, Conservation, Environmental |
| Global Wind Day | Special Interest | Awareness, Environmental |
| Arborist Appreciation Day | Appreciation | Careers, Environmental |
| International Surfing Day | Special Interest | Awareness, Environmental, Sports |
| Lightning Safety Awareness Week | Health | Awareness, Educational, Environmental |
| National Pollinator Week | Animal | Appreciation, Conservation, Environmental |
| Clutter Awareness Week | Special Interest | Awareness, Environmental |
| World Water Week | Cause | Awareness, Conservation, Environmental |
| Seed Gathering Season | Special Interest | Conservation, Environmental |
| September Equinox | Special Interest | Educational, Environmental |
| World Rivers Day | Cause | Awareness, Conservation, Environmental |
| World Habitat Awareness Month | Cause | Awareness, Environmental |
| National Recycling Week | Special Interest | Conservation, Educational, Environmental |
| Social Enterprise Day | Special Interest | Careers, Environmental |
| Christmas Bird Count Week | Animal | Environmental, Wildlife |