The correct option is C Pollution
In recent years, the concept of agro tourism has started to trend. Tourists partake in agriculture related activities This concept has sprung up due to increasing population, pollution and urbanisation, causing environmental degradation. As a change from the urban lifestyle, tourists often live on the farms and enjoy the hospitalities offered by the locals. In exchange, they pay for these services. In Pune and Kolhapur districts of Maharashtra, a number of agro-tourism centres have developed over the years based on these principles of agrarian lifestyle.