Japan is gripped by mass allergies. A 1950s project is to blame (opens in new tab)
A decision made 70 years ago to reforest vast swathes of Japan with just two kinds of tree has come back to haunt the country.
Read the original articleA decision made 70 years ago to reforest vast swathes of Japan with just two kinds of tree has come back to haunt the country.
Read the original article