Laurence Tubiana  during the  Madrid summit, on Friday.  There has been a lack of political leadership, she said, but Europe’s  deal endorsing net-zero emissions by 2050 was ‘the best news this week’.  Photograph: Fernando Villar/EPA

As global leaders remained embroiled in disagreement on a final outcome to the UN climate talks in Madrid, sustained pressure from countries seeking a(...)

President Mauricio Macri: there are concerns that he may be in denial about his election chances. Photograph: Agustin Marcarian/File photo/Reuters

Argentina’s peso resumed its slide on Wednesday as President Mauricio Macri announced a raft of emergency measures aimed at providing relief to a popu(...)

Li Na of China celebrates after defeating Dominika Cibulkova of Slovakia to win the  Australian Open  in Melbourne.

In the immediate aftermath of most Grand Slam championships, the winners spout the usual clichés, shed a few tears and thank everyone they ever met an(...)

China’s  Li Na  holds the Daphne Akhurst Memorial Cup after winning the women’s final against Dominika Cibulkova of Slovakia at the Australian Open in Melbourne. Photograph: Robert Prezioso/Getty Images

China’s Li Na overcame an attack of nerves and weathered a feisty challenge from Dominika Cibulkova before roaring to a 7-6 (7-3) 6-0 victory to win (...)

 Dominika Cibulkova of Slovakia celebrates after winning her semi final match against Agnieszka Radwanska (Poland) at the Australian Open Grand Slam tennis tournament in Melbourne. Photograph: MAST IRHAM/EPA

Li Na will hope to keep her head in check and feet on the ground during her third Australian Open final after her coach Carlos Rodriguez helped calm (...)

Ana Ivanovic of Serbia  on her way to an upset victory over world number one Serena Williams of the USA in round four of the Australian Open in Melbourne. Photograph: Joe Castro/EPA

Ana Ivanovic ‘broke a spell’ to post a magical win over Serena Williams in the fourth round of the Australian Open. Ivanovic had never won a set again(...)