U.N. Secretary-General Ban Ki-moon is likely to visit Japan in May as part of Group of Seven summit talks on issues of global concern, U.N. officials said Friday.

Ban plans to seize on the visit to confer with G-7 leaders on climate change and other environmental and energy issues, among other topics, officials told Kyodo News.

This year's G-7 summit will be held in Mie Prefecture on May 26-27. The G-7 groups together major powers including Britain, Canada, France, Germany, Italy, the United States and Japan.