Urban parks and their attractions are crucial to health. The health benefits of nature are 345 euro per person a year in UK. People living close to a green space have less health problems. UK countryside is worth of 35bn euro a year to society. Pollinators are worth of 500m euro a year to British agriculture.
Source: UK National Ecosystem Assessment (2011) The UK National Ecosystem Assessment: Synthesis of the Key Findings. UNEP-WCMC, Cambridge.