Australia pledges to go net zero by 2050

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Australia, one of the world's largest suppliers of coal and gas, has pledged to achieve net zero carbon emissions by 2050. It comes days ahead of the COP26 global climate summit in Glasgow. We speak to the leader of Australia's Green Party, Adam Bandt about how this can be achieved. And we hear from the CEO of Australian Petroleum Production and Exploration Association about what this will mean for key parts of the economy. Plus, Amazon strikes a deal with UK spy agencies to host top secret material. We hear about how they plan to keep it all quiet from the BBC's security correspondent, Frank Gardner.