Stats
Jump to navigation
Jump to search
- World Military Spending - $1.7T
- USA Military Spending - $640B - $2k per capita spending
- $40B organics market - http://www.ers.usda.gov/topics/natural-resources-environment/organic-agriculture/organic-market-overview.aspx. That makes it
- Annual sustainable forest yield of 12.5B cubic meters or 105 exajoules - [1], p. 615
- Annual energy use by USA - 94 exajoules
- US energy consumption by sector - 40% electricity, 30% transportation - [2]
![[2]](http://en.wikipedia.org/wiki/Energy_in_the_United_States#mediaviewer/File:US_Energy_Consumption_by_Sector_2007.PNG){kind=link}
- Total USA energy use - 25 PWhr - [3] - (petawatt hours (See Metric Prefixes))
- Equivalent to 90 exajoules, consistent with Renewable Energy "Blue Bible" above.
- 250GW of PV is installable on existing rooftops - Cosservative estimate (50% of residential rooftops) - [4]
- Per year, let's take average insolation as 6 hours per day * 365 days - or 550 TWhr per year.