He publicly advanced the notion in Beijing in January 2009 as the two countries celebrated the 30th anniversary of establishing formal diplomatic ties.[4] He views the informal G-2 as helpful in finding solutions to the global financial crisis, climate change (see Politics of global warming), North Korea's nuclear program, Iran's nuclear program, the Indo-Pakistani wars and conflicts, the Israeli–Palestinian conflict, United Nations peacekeeping, nuclear proliferation, and nuclear disarmament. He called the principle of "harmony" a "mission worthy of the two countries with the most extraordinary potential for shaping our collective future".[5][6]