Read the following passage and answer the question that follows:
'The Department of Sanitation's new composting initiative requires residents to separate food scraps into designated brown bins.
This program aims to reduce landfill waste by converting organic material into nutrient-rich soil.
While the program is mandatory, the department has stated that a six-month grace period will be in effect, during which non-compliance will result in warnings rather than fines.
The goal is to educate the public on the long-term environmental benefits, which include decreased greenhouse gas emissions and improved soil health for city parks.'
What is the primary purpose of this passage?
