barrett: typically the freezing facilities are very close to the place where the vegetable is grown. so within hours, that vegetable is frozen..
air pollution in the united kingdom has been illegally high since 2010, leading to the premature deaths of 23,500 people each year,.
"we were quite surprised to find there were no significant differences," says study author.
mactavish-west: you could take fresh vegetables, and you put them in the fridge maybe for up to a week. they'll just continue to decline in most cases.