Re:We Just Breached the 410 PPM Threshold for CO2
by akvadrako on Wednesday April 26, 2017 @10:04AM
(#14203013)
> the sun was about 20% dimmer back then
According to wikipedia[1], the Sun increases in brightness steadily about 1% every 100M years, yet we had CO2 levels 10 times higher than now about 500M years ago.
According to wikipedia[1], the Sun increases in brightness steadily about 1% every 100M years, yet we had CO2 levels 10 times higher than now about 500M years ago.
[1] https://en.wikipedia.org/wiki/Solar_luminosity