Enrichment of co2 in greehhouses

Do you know what the planet did the last time atmospheric CO2 was 500 ppm?

It cooled
What was the atmospheric composition at the time?
 
What was the atmospheric composition at the time?
  • Nitrogen: The most abundant gas, making up about 78% of air
  • Oxygen: The second most abundant gas, making up about 21% of air
  • Argon: An inert gas that makes up about 0.93% of air
  • Carbon dioxide: Makes up about 0.05% of air
:laugh:
 
  • Nitrogen: The most abundant gas, making up about 78% of air
  • Oxygen: The second most abundant gas, making up about 21% of air
  • Argon: An inert gas that makes up about 0.93% of air
  • Carbon dioxide: Makes up about 0.05% of air
:laugh:
Will Otto take full responsibility for global warming? Will Dagosa? Has Crick, the other accuser of man taken his?
 
Will Otto take full responsibility for global warming? Will Dagosa? Has Crick, the other accuser of man taken his?
So you don't give two shits about your own children, do you Robert.
 
So you don't give two shits about your own children, do you Robert.
The youngest is 37 and lives by her standards. I love my two daughters. What about you. Do you take responsibility for climate changing?
 
The youngest is 37 and lives by her standards. I love my two daughters. What about you. Do you take responsibility for climate changing?
Since I spend a great deal of my time attempting to convince the world we need to act, I do. You do not. Are you willing to take responsibility for fucking your children's world?
 
Since I spend a great deal of my time attempting to convince the world we need to act, I do. You do not. Are you willing to take responsibility for fucking your children's world?
Not really I don't. See you judge me and do not know shit about my true life.
 
Since I spend a great deal of my time attempting to convince the world we need to act, I do. You do not. Are you willing to take responsibility for fucking your children's world?
It was tough but I got the job done. Getting you to admit you fuck up the world even for your own children.
 
And you haven't been judging me?
If you want to see it like that. My goal was to lump you in with those you lecture us all about. And I got it done.
 
If you want to see it like that. My goal was to lump you in with those you lecture us all about. And I got it done.
Really? With whom do you think you lumped me? I don't think you got anything done.

Tell me, how often do all the world's scientists unanimously warn you of a threat to your children that requires immediate action to counter? And out of those, how many do you choose to ignore?
 
Could you guys stop derailing the thread and talk about why nearly triple co2 levels is better than current levels.

Go to the appropriate thread on racism if racism gives you an erection or wide on.
Crick is the only person in this thread who knows what the hell he is talking about.

The bad faith troll Robert W is the derailer.
 
So what? Is someone now supposed to come along and spend time to clarify and correct your half-truth trolling?

I hope nobody bothers.
Please do. Nothing half true about saying the last time the planet had atmospheric CO2 of 500 ppm the planet cooled.

I could just as easily - and truthfully - have said the last time the planet had 200 ppm the planet warmed.

I can't help it if you idiots don't understand that prior to the industrial revolution atmospheric CO2 was a function of the temperature of the ocean. When the ocean cooled, atmospheric CO2 decreased. When the ocean warmed, atmospheric CO2 increased. Learn some science.
 
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The carbon dioxide level may drop to 150 to 200 parts per million during the day in a sealed greenhouse, because CO2 is utilized by plants for photosynthesis during daytime. Exposure of plants to lower levels of CO2 even for a short period can reduce rate of photosynthesis and plant growth.

Interesting reading on why they enrich co2 levels to 1,000ppm in greenhouses. Above 1,800ppm, they think it may cause plant damage. As plants are categorised, it's likely tomatoes and cucumbers that might get upset. So eat more meat!!

If you're thinking of using a greenhouse, give it a read, you might want to use extra co2.
The earth has become 35% more foliant in the past 20 years. This is a good thing.
 
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