What actions are taken to account for the release of gases produced by decomposing trash in a decommissioned landfill?

While adding compost material can be beneficial for enhancing soil quality or promoting aerobic decomposition in some contexts, it does not directly address the management of gases released from decomposing trash in a landfill. Composting occurs in a controlled environment and does not mitigate gas emissions from existing landfill waste.

Installing fans might aid in improving air circulation or assisting with ventilation in certain situations, but they are not a standard solution for managing landfill gas emissions. Fans do not effectively capture or redirect the gases produced, which can lead to safety and regulatory issues.

Transferring trash to a new location does not solve the problem of gas production; it merely relocates the waste and its associated emissions. This action can create additional environmental concerns and does not provide a sustainable or effective method for managing landfill gas.