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Caitlin Fitzsimmons

Caitlin Fitzsimmons

Caitlin Fitzsimmons is the environment and climate reporter for The Sydney Morning Herald. She was previously the social affairs reporter and the Money editor.

The tiny forest at Teralba Public School, Lake Macquarie, on planting  in May 2024 (right) and November 2025 (left).

How forests the size of tennis courts transform Australian cities

You’ve heard of tiny homes, but what about tiny forests? It’s a growing movement in Australia, based on Japanese ideas.

  • Caitlin Fitzsimmons

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Computer animation modelling the 1997-1998 El Nino.

A ‘globally catastrophic’ super El Nino could form by spring

An El Nino typically associated with a hot, dry spring for Australia is likely to form towards the end of winter – and one model rates the chances of a rare super El Nino at 20-25 per cent.

  • Caitlin Fitzsimmons
Lake Eyre/Kati Thanda flooding as seen from the air in October.

Revealed: how the environment in your suburb is improving or declining

Nationally, Australia’s environment was better than the average of the past 25 years. Look up our interactive map to see how your suburb or local government area fared.

  • Caitlin Fitzsimmons
Mick Liubinskas rubs shoulders with billionaires but his own trajectory has been different.

He’s one of the godfathers of the Australian start-up sector. So why isn’t he a billionaire?

Some of Mick Liubinskas’ friends are immensely wealthy, but his passions have taken him down a different path.

  • Caitlin Fitzsimmons
A fundraising bonanza has sparked infighting in Australia’s largest wildlife rescue organisation.

The $100 million windfall that quickly turned from a blessing into a curse

With Barack Obama and Ellen DeGeneres plugging the cause, donations poured into a bushfire emergency fund. Infighting followed.

  • Caitlin Fitzsimmons
Middle East HP gif AM 15/03/26

US-Iran war as it happened: Trump calls on countries to send warships to reopen Hormuz; UN chief urges Israel and Hezbollah to stop fighting

Follow our live coverage as the conflict in the Middle East enters its third week.

  • Caroline Schelle, Caitlin Fitzsimmons and Josefine Ganko
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House burping is about opening the windows to allow fresh air to circulate.

Why ‘house burping’ should be on the agenda for Australians and their leaky homes

The Europeans were doing it for centuries before American lifestyle influencers rebranded it. But what is “house burping” – and what does it mean in the Australian setting?

  • Caitlin Fitzsimmons
Former wildlife carer Tracy Dods with some of her supporters outside Parramatta District Court as she awaited the outcome of her appeal.

Former wildlife carer’s conviction for animal cruelty overturned

WIRES and the RSPCA raided Tracy Clare Dods’ Blue Mountains property and seized three kangaroos in her care. The judge criticised their “at times aggressive” behaviour.

  • Caitlin Fitzsimmons
Cailey Thurlow, 24, said the window design blocks the breeze, contributing to the flat getting unbearably hot in summer.

Energy shock: families choose between cooling their homes and driving

“Intensifying global heat” has meant the time people are unable to do simple daily tasks – like walking, cleaning, or working outside – has doubled, a study has found.

  • Caitlin Fitzsimmons, Bianca Hall and Courtney Kruk
Kate with her two youngest children. Her Medlow Bath home has high levels of PFAS in the soil.

‘Nowhere to go’: Blue Mountains residents told not to eat their vegetables after PFAS found in garden soil

Residents in Medlow Bath near a suspected PFAS contamination site want their homes remediated. Instead, the NSW government has launched another investigation it says will take about 12 months – possibly beyond the next election.

  • Caitlin Fitzsimmons