Final answer:
Key factors to ensure cleanliness of the quad involve daily sweeping, strategic placement of trash cans, and regular inspections. Government policies can promote neighborhood cleanliness through incentives and supported community events which lead to increased property values and happier residents.
Step-by-step explanation:
When cleaning the quad, the key factors to ensuring cleanliness are: A. Sweeping the quad daily to remove debris, B. Placing trash cans at regular intervals for disposal, and D. Conducting regular inspections and reporting issues. These actions will help maintain a clean environment and promote positive behaviors among those who use the space. To foster community engagement and support, government policies might include subsidies for neighborhood cleanups, providing cleaning supplies to volunteers, or organizing community cleaning events. Such policies can lead to numerous benefits, such as increased property values, reduced crime rates, and overall happier residents.
Don't Trash the Campus initiatives provide an excellent framework for addressing local environmental disturbances by encouraging the collection of data to understand the impact and creating proposals for mitigation. On a broader scale, changing filters in central heating and air conditioning systems is a good practice for indoor environments to limit pollutants.