Former U.N. Secretary-General Ban Kim-moon holds a press conference on March 27, 2018, on his election a month earlier as the chairman of the council of the Global Green Growth Institute. (Yonhap)

Trump's threat to withdraw from Paris Agreement 'shortsighted,' 'irresponsible':

Former United Nations Secretary General Ban Ki-moon on Tuesday slammed President Donald Trump's threat to withdraw from the Paris Agreement on fighting climate change, saying he will consider writing to the president as the new chairman of an international green growth organization based in Seoul.