the share of tradable goods and services explains more than half of the gross value added of three chungcheongnamdo gyeonsangbukdo and jeollanamdo out of five predominantly rural regions in in contrast to the remaining two rural regions jejudo and gangwondo which depend more on nontradable sectors have recorded lower rates of gdp per capita growth over however challenges related to the quality of environment are not rural specific per se in korea as it concerns the country as a whole the level of air pollution is slightly lower in the selected tl region than at the national level