Urbanization

Another word for self-driving or driverless buses

(a)  

Fighting between different groups of people living in the same country

(a)  

A person who travels some distance to work on a regular basis

(a)  

Something that can have both favourable and unfavourable consequences

(a)  

The deterioration in environmental quality

(a)  

The level of satisfaction and comfort that a person or group enjoys

(a)  

  hunting, fishing, trapping, camping, picnicking, exploring caves, nature study, bicycling, horseback riding, bird-watching, motorcycling are examples of (a)  

the systems for taking dirty water and other waste products away from buildings in order to protect people's health

(a)  

something that attracts people to go and live in a particular place

(a)  

A problem, need, or issue that  has to be dealt with immediately

(a)