Increasing atmospheric carbon dioxide prompts heatwave expert Dr Sarah Perkins Kirkpatrick to rethink childbearing:

The youngest of seven siblings, she said she’d always wanted to have at least four, possibly five children. 

That was until the record-breaking heatwaves of Sydney’s last summer.

“One day I measured 45 degrees outside on the porch in the shade and it was 39 on the inside. The air conditioner in the living room had broken down,” she said. 

“I was sleeping with wet towels on my legs to keep cool. I was thinking this is hot now and it’s only going to get worse.

“I said to my husband ‘are we doing the right thing [by having a child]? Is it right to be bringing kids into the world with me knowing how bad it’s going to be?'”

Sydneysider Kirkpatrick finds her home town already too hot, so she wants nothing to do with areas north:

She said research shows that if there isn’t a reduction in CO2 emissions, there will be up to 50 extra really hot days a year in northern Australia by the end of the century. 

“I wouldn’t want to be living in Brisbane, north of Brisbane, over the coming decades because the humidity will be atrocious and when it’s hot and humid it’s actually a lot harder to stay cool because your body can’t get rid of that heat through evaporation,” she said. 

“There’s nowhere for the moisture to go.”

A graphic illustrates her concern:

Hot days

So, in 2090 Brisbane will still not suffer the heat and humidity already experienced in Houston, one of the “fastest-growing metropolitan areas in the United States.”

With mounting evidence political views are heritable, it’s beneficial to all that lefties don’t reproduce.

The burdens borne by knowledgable lefties are manifold, however:

Professor David Griggs, who recently retired as director of the Sustainable Development Institute at Monash University, said Australia is in denial about climate change. 

“Australians will have to adapt or die,” he said.

He believes temperatures will rise well above 2C and may reach 5C above average by the end of this century, a forecast in line with the UN’s IPCC modelling under a high emissions scenario.

He spoke to Lateline about the emotional burden of knowing what climate change would bring.

“Depression is clearly something. You get days when you’re down, because what you know and what you can see coming is not good,” he said. 

He is planning to move his family to south-west England, where he said climate projections look good for the next 100 years. 

“When a new fact comes in that makes me fearful I think at least I’ve done what I can to protect my family,” he said.

New climate facts? For example?

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