The very mention of "climate change" as being a factor for reducing offspring and second guessing kids is certainly not a right wing idea.
Secondly, anything from mainstream media outlets projects an alarmist tone. They operate on the basic impulse of fear.
While I'd rather not have the state involved in any sort of family planning, the topic is interesting to delve in.
Overall, we rate the Wall Street Journal Right-Center biased due to low-biased news reporting combined with a strong right-biased editorial stance. We also rate them Mostly Factual in reporting rather than High due to anti-climate, anti-science views, and occasional misleading editorials.
Plenty of (US) right wing media sources accept climate change during the day and rubbish it after dark during peak red in the face angry host times.
I mean, they aren't saying that idea because they agree with it. They could be saying it to paint a negative caricature