And the actual possible contribution of remaining coal reserves to global warming could be less than half a degree? (theoildrum.com)
This plan offers the greatest possible contribution among retirement plans as it recognizes that you are both employer and employee. (inc.com)
There is medium confidence that this difference between models and observations is to a substantial degree caused by unpredictable climate variability, with possible contributions from inadequacies in the solar, volcanic, and aerosol forcings used by the models and, in some models, from too strong a response to increasing greenhouse - gas forcing. (climateaudit.org)