An important section focuses on Commoner's four informal rules of ecology, which were simple enough that the were once fare for T - shirts: (dotearth.blogs.nytimes.com)
I mentioned the 4 percent rule earlier; in case you aren't familiar, this is a widely - cited informal rule that, as long as you withdraw no more than 4 percent of your well - diversified investments per year, you should be able to outlive your savings indefinitely. (inc.com)
FCEA understands governance to include any system of formal or informal rules intended to control or influence research into or deployment of climate engineering, either internationally, transnationally, within a single country, or within nongovernmental organizations or civil society more broadly. (ceassessment.org)