713 The fact that a large number of "environmentalists" get angry when you share with them good news and discoveries about the health of the planet...should let you know that it's not about the planet. (media.patriots.win) posted 40 days ago by Liberty_Prime 40 days ago by Liberty_Prime +715 / -2 19 comments share 19 comments share save hide report block hide child comments Comments (19) sorted by: top new old worst You're viewing a single comment thread. View all comments, or full comment thread. ▲ 2 ▼ – Pleepleus 2 points 40 days ago +2 / -0 Never see anyone post what would happen if CO2 levels fell. Plants need it to photosynthesize. Currently levels around 408ppm CO2. https://www.climate.gov/news-features/understanding-climate/climate-change-atmospheric-carbon-dioxide Dont know the exact concentration but have seen that plants start to have trouble growing around 175ppm CO2 and lower. permalink save report block reply ▲ 2 ▼ – TruthyBrat 2 points 39 days ago +2 / -0 Commercial greenhouses quite often have CO2 enhancement systems to take the level to 800-1000 ppm. Not something that gets talked about much by the Warmist Extremists. permalink parent save report block reply
Never see anyone post what would happen if CO2 levels fell. Plants need it to photosynthesize. Currently levels around 408ppm CO2. https://www.climate.gov/news-features/understanding-climate/climate-change-atmospheric-carbon-dioxide Dont know the exact concentration but have seen that plants start to have trouble growing around 175ppm CO2 and lower.
Commercial greenhouses quite often have CO2 enhancement systems to take the level to 800-1000 ppm. Not something that gets talked about much by the Warmist Extremists.