Apologies - my mistake! It's true that (not here!) in the rush to talk about its warming effect, many choose to ignore the positive effect of CO2 in the atmosphere <with respect> to its importance as a carbon source for plants.
Greening has of course taken place. To quote NASA, [ I think I've got this one right ] ...
"From a quarter to half of Earth’s vegetated lands has shown significant greening over the last 35 years largely due to rising levels of atmospheric carbon dioxide, according to a new study published in the journal Nature Climate Change on April 25. An international team of 32 authors from 24 institutions in eight countries led the effort, which involved using satellite data from NASA’s Moderate Resolution Imaging Spectrometer and the National Oceanic and Atmospheric Administration’s Advanced Very High Resolution Radiometer instruments to help determine the leaf area index, or amount of leaf cover, over the planet’s vegetated regions. The greening represents an increase in leaves on plants and trees equivalent in area to two times the continental United States."
This is not in the least surprising given extensive experimentation showing enhanced profitable growth for many plants (not all) with increased CO2. There will be upper limits of course.
>in the rush to talk about its warming effect, many choose to ignore the positive effect of CO2 in the atmosphere <with respect> to its importance as a carbon source for plants.
I'm not sure if you're meaning to, but your diction comes across as extremely biased. "Rush to talk" imputes a a hurriedness that does not seem justified based on any discussion I've seen. Also, a "choice" to "ignore" a particular effect, imputes a conscious decision to omit something that may be important. This uncharitable framing seems to be in error, as your own link doesn't seem very optimistic about greening countering climate change.
>“Studies have shown that plants acclimatize, or adjust, to rising carbon dioxide concentration and the fertilization effect diminishes over time.
Greening has of course taken place. To quote NASA, [ I think I've got this one right ] ...
"From a quarter to half of Earth’s vegetated lands has shown significant greening over the last 35 years largely due to rising levels of atmospheric carbon dioxide, according to a new study published in the journal Nature Climate Change on April 25. An international team of 32 authors from 24 institutions in eight countries led the effort, which involved using satellite data from NASA’s Moderate Resolution Imaging Spectrometer and the National Oceanic and Atmospheric Administration’s Advanced Very High Resolution Radiometer instruments to help determine the leaf area index, or amount of leaf cover, over the planet’s vegetated regions. The greening represents an increase in leaves on plants and trees equivalent in area to two times the continental United States."
https://www.nasa.gov/feature/goddard/2016/carbon-dioxide-fer...
This is not in the least surprising given extensive experimentation showing enhanced profitable growth for many plants (not all) with increased CO2. There will be upper limits of course.