Prime Minister Taro Aso and Ukrainian Prime Minister Yulia Tymoshenko agreed Wednesday to enhance cooperation between the two countries to address climate change.

Aso and Tymoshenko said after their talks that they welcome an agreement under which Ukraine will sell greenhouse gas emissions rights to Japan and the Ukrainian prime minister said the country is interested in selling more of its emissions quotas to Japan.

"We agreed to effectively utilize Japan's funds and technology, which were obtained from this scheme," Aso said in a joint news conference, adding Japan will dispatch to Ukraine representatives of companies that have technologies related to the environment.