Four major Japanese life insurers do not invest in or extend loans to producers of nuclear weapons or companies related to them, Kyodo News learned Saturday, as part of their efforts toward socially responsible investing.The revelation comes as various lenders in Japan, Europe and the United States have refrained from investing in companies involved in the nuclear weapons industry.It also precedes the entry into force in January of a U.N. treaty that will ban such weapons.The four life insurers which managed a combined 151 trillion yen ($1.45 trillion) in assets in fiscal 2019 -- Nippon Lif…READ FULL ARTICLE