They also plan and direct policies and programs to promote industrial and commercial business development in urban and rural areas. (canadianbusiness.com)
In winter, the effect was smaller but snow cover played a role in an average 2 degree temperature difference between urban and rural areas. (sciencedaily.com)
Scientists made long term measurements of sound in parks as well as urban and rural areas across the country. (dotearth.blogs.nytimes.com)