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[R-pkg-devel] Package submission rejected as it fails checks on Debian

Not important (of course) but where does the 5000 kWh per tree number 
come from?  Is that (dry weight) x (50% carbon per dry weight) / (carbon 
content of CO2 emissions per kWh) ?

https://www.epa.gov/energy/greenhouse-gas-equivalencies-calculator#results

   If we say 200 watts x 15 minutes (allowing us to take up the whole 
server for checking on 5 different platforms) we have .05 kWh. Let's say 
we do this 300 times/year for a package, so 15 kWh. Hard to get 'tree 
equivalents' from the EPA web site, but this is equivalent to 1.2 
gallons of petrol/gasoline consumption (0.011 metric tonnes)
On 2023-02-23 12:59 p.m., Duncan Murdoch wrote: