The eight-year ban followed the adoption of an agreement Iran reached with six world powers to limit its nuclear program in return for sanctions relief.

这一为期八年的禁令是在伊朗与六个世界大国达成协议后实施的，该协议以限制伊朗核项目来换取减免对其的制裁。

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It could also help speed the adoption of a global agreement amongst airlines to reduce emissions via the U.N.

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It added that the growth of the internet and adoption of mobile phones meant the existing agreement - signed in 1998 - needed to be updated.

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According to RIA Novosti, Putin's spokesman, Dmitry Peskov, said Thursday the adoption agreement between the two countries had not expired.

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