Kevin Rudd and US president Barack Obama have talked about the nuclear threat posed by North Korea.
Prime Minister Kevin Rudd and US president Barack Obama have vowed to work together to deal with the nuclear threat posed by North Korea.
Mr Rudd spoke to the American leader by phone on Wednesday morning, discussing the economic, environmental and security challenges facing the globe.
They discussed the Major Economies Forum (MEF) and other meetings that they will attend together in Italy in July, a spokesperson for Mr Rudd said.
"They discussed in particular the development of the Global Carbon Capture and Storage Institute, an Australian initiative which has the strong support of the United States."
Since winning office, both leaders have been outspoken on the need to do more to combat the nuclear threat, not just by rogue states but across the globe.
"They discussed global security challenges, including the proliferation threat posed by North Korea," the spokesperson said.
"The president expressed appreciation for Australia's partnership and support, and the leaders agreed to stay closely in touch on this key challenge."