Costs for local ecological impact predictions.

Soil aeration and fertility contribution.

Gardening tools purchase for urban forest maintenance.

Energy for new leaf growth.

Rain gathered for natural irrigation.

Fees for maintaining digital ecosystem services.

Environmental cost of computing services.

Data collection costs for maintaining eco-health.

Art installation representing ecosystem.

Pollination service fee.

Funds for tree care.

Seed dispersal benefits.

Oxygen release from photosynthesis.

Tree planting event costs.

Precipitation forecast—positive impact on growth.

Soil nutrient extraction.

Photosynthesis process initiated.

Foraging impact on seeds.

Cooling effect on local flora.

Nutrient recycling from decomposition.

Trail maintenance fee.

Honey production.

Donation to fund urban forest conservation.

Rainfall enhances soil moisture.

Deposit of seeds stored for winter.

Withdrawal of nutrients from soil for growth.

Pollen deposit from pollination services.

Withdrawal for compost to enrich soil.