Climate Change Prevention

Discussions on the interactions between components of the environment and their effects on all types of organisms.

Re: Climate Change Prevention

Postby mitchellmckain on September 2nd, 2017, 2:58 pm 

It seems quite likely to me (approaching undeniable) that like the O2 portion of our atmosphere, the ozone layer is also a product of the biosphere. This suggests to me that there may have been species of phytoplankton more adapted to UV exposure. At the very least, there may have been species of phytoplankton more adapted to warmer climates. Perhaps the recent (or current) ice age is why phytoplankton seem to prefer colder climates at this time.

Apparently 175 million years ago the CO2 levels began to decline from 2500 ppm down to the 225 ppm average that we have had over the last million years or so (now 400 pmm at the moment). Most of that time the average global temperature was much much higher. If phytoplankton was reason for this change in CO2 levels then it seems likely it was adapted to a higher temperature. In this case, it would be just a matter of time for these previous versions of phytoplankton to reassert themselves, though the evolutionary time scale is not so helpful to human civilization. But then there is Braininvat's suggestion that we might help this along ourselves.

I acknowledge that this is not the only possible explanation. Just because phytoplankton is responsible for the majority of our CO2 to O2 conversion right now does not mean that it always has been. Also the buildup of our current O2 versus CO2 levels may been a rather slow process from other plants or a less effective phytoplankon and we cannot assume it was more effective at higher temperatures in the past.
User avatar
Posts: 688
Joined: 27 Oct 2016


Return to Environmental Science

Who is online

Users browsing this forum: No registered users and 3 guests