Reply to  James Asherman three several years ago Climate scientist James Hansen has suggested that we should endeavor to Restrict CO2 to 350ppm, Whilst for Many several years, normal cycles didn’t convey it over 300ppm:

Reply to  Palladini 3 years in the past Yeah I guess if you prefer additional droughts and wildfires and deadlier hurricanes? Not my idea of optimum.

We begun with incoming and outgoiing energies are equal in stable temp. problems. As being the sun remains the same and fewer Electrical power is emitted during the greenhouse absorbtion bands, the temp commences elevating untill the emitted IR once again , aquals thes Sunshine’s

Reply to  Edward three many years in the past It's legitimate that CO2 concentrations in some prehistoric eras ended up Significantly bigger than their present degrees. We think this due to the preponderance of evidence located in the the fossil document the tells us so. (by “fossil report”, I don’t necessarily mean just real fossils, but additionally other geological evidence of earlier local weather disorders like glacial ice cores, and so on.) Exactly what the fossil history also tells us is the fact that better atmospheric CO2 concentrations are constantly connected with increased entire world-extensive average temperatures.

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This was actually the the very least contentious reaction. I had been just questioning how any person at Columbia would reply these counter-arguments.

That is Except if you could prove CO2 doesn’t do any these kinds of matter? Any child with a pair vacant bottles along with a temp gauge can verify CO2 does indeed do.

Reply to  Barton Paul Levenson 2 yrs in the past . . . it doesn’t reflect to the ground in the least. Practically all of the terrestrial IR is captured by CO2. For the same cause, almost each of the terrestrial IR which can be absorbed by CO2 is absorbed in 15m of the ground.

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“You Asked” is actually a collection in which Earth Institute professionals deal with reader thoughts on science and sustainability. In the last several years, we’ve received plenty of questions about carbon dioxide — how it traps warmth, how it might have this kind of significant influence if it only will make up a very small share from the atmosphere, plus much more.

Without having a commitment from these most significant emitters, the earth will never come near Assembly its world targets.

three several years back Of course, clear away many of the CO2, and all the crops die, as well as human race is not really considerably guiding. it is possible to kiss your ass goodbye if every one of the vegetation die.

Staying also well mannered to immediately phone him out on his altered point out, wishing to pay for him the benefit of the question, I re*properly trained myself.

All I’m indicating is that if anyone is worried about cutting down anthropogenic world warming consequences, the airbus most beneficial solution is to test to minimize squander heat.