Plants LOVE Climate Change: Grapefruit Trees in Idaho Soon?

Plants love climate change. I ran into this on a denier website yesterday and had the strength not to comment there. Instead, when I saw this old bromide rise once again, I wondered if this indicated reality was intruding. Of late I’ve been seeing more and more skeptics writing of the positive effects of climate change. Indeed there are some–although perhaps not for us.

At least this bit about plants needing carbon dioxide is true, unlike many points I’ve seen put forth by skeptics. Primary school science classes explain how plants require carbon dioxide to grow. However, before anyone starts planning on planting grapefruit trees in Idaho, I’ll mention that studies started coming out well over a decade ago indicating plants often suffered negative effects from increased carbon dioxide. I remember reading about good early growth but stunted growth during the fruiting phase for vegetables, problems with grass on grazing land, stuff like that. But then those came from studies done by pesky old (and young) scientists.

I haven’t seen any of these studies cited on the denier sites so far. Perhaps I haven’t read widely enough. Then again, folks who do primary research and controlled studies are a real buzz kill for climate change skeptics. Mostly, skeptics spend time attacking computer models. A worthy task, I grant. However, here’s a new study. No computer models were involved.

“In Ranchers Vs. Weeds, Climate Change Gives Weeds An Edge”

Oh well. Toadflax is quite pretty.

Cassandra

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