4 ms·

I have to wonder if at some point rich eccentrics will start installing CO2 scrubbers in their houses to bring the indoor concentration below 400 ppm.

• rolph 3y ago
  https://livewall.com/ https://livewall.com/ https://livewall.com/products/indoor/ https://livewall.com/products/indoor/
• ipaddr 3y ago
  Plants will be popular