any real science should be considered when we determine what impact if any that man made co2 causes warming. That should be the first question.
How come there is no peer reviewed science stating man made co2 causes warming that does not rely on failing models.
2. right now the theory is aerosols do block or reflect some warming... seems like a good theory to me. but they are still working on it.
For instance recent papers from CERN and other places are starting to find that incoming cosmic rays may create aerosols that may increase cooling clouds.
the going theory is clouds can warm (the cumulous clouds most likely keep heat in) and clouds can cool and block warming rays... for instance tropical clouds.
At the moment the models are not modeling clouds and water vapor well and clouds may have a much larger impact on warming and cooling than co2.
https://phys.org/news/2016-08-solar-impact-earth-cloud.html
Possible long term effect
The effect from Forbush decreases on clouds is too brief to have any impact on long-term temperature changes.
However since clouds are affected by short term changes in galactic cosmic radiation, they may well also be affected by the slower change in Solar activity that happens on scales from tens to hundreds of years, and thus play a role in the radiation budget that determines the global temperature.
The Suns contribution to past and future climate change may thus be larger than merely the direct changes in radiation, concludes the scientists behind the new study.
The
Read more at:
https://phys.org/news/2016-08-solar-impact-earth-cloud.html#jCp
here was a comment at skeptical science
Based on the abundant literature that does exist supporting the influence of Cosmic Rays on Earth's climate, how can anyone justify the IPCC ignoring cosmic rays and scenarios for stronger solar forcing in some of their global climate model iterations? The sun's activity significantly increased coeval with industrialization into a sustained solar max (see first link below), and it seems critical to understand the role of both solar activity and AGW to attempt to model Earth's climate.
Recent examples of the abundant literature that Cosmic Rays do influence Earth's climate (beyond the CERN nature paper above)
include:
Pnas 9400 yr cosmic ray record correlated with asian monsoon.
http://m.pnas.org/content/109/16/5967.full
Pnas paper showing causation that cosmic rays force global climate in multi year time intervals and also a century of strong correlation
http://m.pnas.org/content/112/11/3253.full
Video of Cern Paper (simple 5 min overview):
https://home.cern/about/updates/2016/05/cloud-shows-pre-industrial-skies-cloudier-we-thought
Older papers include:
Geel, B.V. Raspopov, O.M. et al. The role of solar forcing upon climate change, Quaternary Science Reviews 18 (1999), pg 331-338.
The Svensmark set of papers like:
http://www.sciencedirect.com/science/article/pii/S1364682697000011
Additionally literature: there are many papers that find the sun's highly periodic (22 yr today) signal of the Hale cycle paleomagnetic reversals preserved in regional climate proxy data like tree rings and lacustrine varves, and this solar magnetic periodicity most likely related to cosmic rays (here is one with an overview of some of the occurences):
http://link.springer.com/article/10.1007/s10933-008-9244-0
and here is more from the CERN experiment...
https://www.nature.com/news/2011/110824/full/news.2011.504.html