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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.

Drone footage taken of a shark off Coogee Beach in Sydney on Saturday.

How an AI-powered early shark warning system could protect Sydney beaches

An alert system using autonomous drones to detect sharks could be in place by summer, scientists say.

  • Caitlin Fitzsimmons and Max Maddison

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Drone footage taken of a shark off Coogee beach in Sydney on Saturday.

Shark bites are becoming more common – but a cull won’t work

With Saturday’s shark attack and a horror summer, it is hard as an ocean-loving Sydneysider not to feel under siege.

  • Caitlin Fitzsimmons
An animation of the change in sea surface temperature departures from average in the tropical Pacific Ocean, from January 1 to June 8, 2026.

El Nino has officially begun, bringing risk of drought, extreme heat and bushfires

The US National Oceanic and Atmospheric Administration confirmed the existence of the El Nino, expected to grow to historic strength and turbocharge extreme weather.

  • Seth Borenstein and Caitlin Fitzsimmons
One of Vessev’s VS-9 electric hydrofoiling vessels.

Sydney Harbour is getting electric hydrofoils. What’s it like to ‘fly’ in one?

The boats skate up to a metre above the water, using technology honed for the America’s Cup.

  • Caitlin Fitzsimmons
The NSW government grant covered almost half the cost of the solar panels on this building, which have slashed residents’ electricity bills.

Push to deliver solar to 2.5m apartment dwellers gains traction

Houses are still 10 times more likely to have rooftop solar panels than apartments, but the financial case for solar on strata buildings is better than ever.

  • Caitlin Fitzsimmons
Northern NSW will experience some of the harshest effects of climate change reflecting high exposure to flooding, drought and bushfire, and high reliance on climate-sensitive or outdoor industries.

You’re losing $20k a year because of climate change – and it’s predicted to get worse

As well as the cost of extreme weather and natural disasters, longer-term climatic changes are also a drag on economic productivity, the NSW Net Zero Commission says.

  • Caitlin Fitzsimmons
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Most of Australia’s skies are dark.

‘We took them for granted’: Australia’s cities are losing their stars

Light pollution means city dwellers, and even residents of country towns, are increasingly missing out on the majesty above their heads.

  • Caitlin Fitzsimmons
The federal government has launched legal action against multinational company 3M.

‘A bit of anger’: Residents frustrated by bombshell $2b lawsuit over ‘forever chemicals’

The lawsuit is the largest legal claim ever brought by the Commonwealth but has blindsided communities hit with the fallout of the contamination disaster.

  • Carrie Fellner and Caitlin Fitzsimmons
Crowds of visitors at the beach on May 24 in Weymouth, England. An exceptional bank holiday heatwave is bringing record-breaking weather to England with temperatures forecast to climb into the low 30s by Monday.

UK wilts under brutal spring heat as records set to tumble

A “heat dome” is forecast to linger across parts of Europe as the prospects of an El Nino continue to firm.

  • Caitlin Fitzsimmons and Nick O'Malley
Manly’s penguins are not increasing in number.

Manly’s penguin colony is precarious. What would it take to save it?

There are just 15 breeding pairs returning to nest at Manly each year, and the population is stubbornly refusing to grow.

  • Caitlin Fitzsimmons