Comments by "Kate S" (@KateeAngel) on "The Truth about CO2 | 5 Minute Video" video.

I doubt that if ocean gets warm, most plankton will die. More likely some forms will die, some will proliferate. So saying "we all die" is an exagerration
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Stupid. Simply because having too little co2 is bad, does not mean that you cannot have too much co2. And it certainly does not mean that putting co2 into atmosphere in very large quantities every year cannot cause problems. Naturally co2 concentrations varied a lot in the past, but the pace of change was very different. Even in anomalous event (PETM) in early Cenozoic when co2 concentration was rising much faster than usual, rate of change wasn't faster than 0.1 - 0.2 ppm per year. Nowadays due to fossil fuel emissions average rate of change is 2 - 3 ppm per year. See the difference. Natural ecosystems will have hard time adapting to such fast changes, especially considering that in many places natural ecosystems are also destroyed by bad managing, illegal logging etc. And we depend on those ecosystems
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We were talking about plankton, not corals, but yeah, coral reefs may entirely disappear if water becomes too warm and too acidic. They bleach because of warming waters, and acidification dissolves their skeleton. Some polyp species can survive without building a reef, but reef as an ecosystem can disappear and that is going to cause problems with food in tropic island countries among many others.
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No normal environmentalist praises China or other countries like that. You are lying
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Also: our species evolved during last two million years, during which co2 concentration was 185 - 300 ppm until it rose up to 400 ppm during 20-21 century. So, maybe 1000 ppm or more would be good for plants but for our particular species it is not good. Some studies found that at 1000 ppm human intellectual productivity starts falling. If that is confirmed by further studies, then we are in trouble, cause co2 concentration rises faster and faster, and may reach 1000 ppm in next century
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