Parts of Australia have been experiencing well above average temperatures for this time of year, with alerts for bushfires already being issued. 

At the same time, the Bureau of Meteorology has declared the El Nino weather pattern is underway, meaning a hotter and drier summer is likely.

Today, the founder of campaign group Sweltering Cities, Emma Bacon, on who the heat will hit the hardest and how best to prepare. 

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Emma Bacon, founder of Sweltering Cities