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A UN report says the amount of CO2 in the atmosphere hit a record level last year, increasing at the fastest rate for almost three decades. Also Russia threatens to ban EU airlines from flying over its airspace. We ask what Russia stands to gain - and lose. The murder of four Peruvian tribal leaders is focussing new attention on the problem of deforestation in South America. Finally could tech giant Apple's entry into the smartwatch market signal the return of the watch?