AFP: THOUSANDS of Australians protested against inaction on climate change on Sunday, converging on major cities to voice their discontent ahead of this week’s national polls. Thousands gathered in Sydney’s business district for the annual ‘Walk Against Warming’ rally and similar events were held in Canberra, Melbourne, Adelaide, Brisbane, Perth, Darwin and Hobart. ‘We feel that climate change is going to be a key issue for people going to the polls next Saturday,’ Pepe Clarke of …