Comments by "r f" (@rf-bh3fh) on "Vladimir Putin criticises Greta Thunberg's UN speech on climate change - BBC News" video.

  1. SIMPLE MATH & SIMPLE BIOLOGY 🧬. Humans require a atmospheric oxygen concentration of 19.5 percent. Currently the atmosphere has 20.5 percent. How long do you think it will take for levels to fall when a 0.01 percent drop in ocean ph will kill the oceans phytoplankton which produces 40 percent of oxygen on the planet. Ponder 🤔 this.
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