It looks like a heck of a lot higher albedo than my standard gray shingle roof.
Sent from my iPad On Oct 2, 2011, at 9:53 PM, "Ken Caldeira" <[email protected]> wrote: > Folks, > > I happen to own a white roof. It covers part of my house. > > It was installed with the intention of keeping our house cooler > ["not-geoengineering"] and not with the intention of keeping our planet > cooler ["geoengineering]. > > In any, case I went up there to clear the leaves out of the drainpipes. While > I was up there, I took a few photos with my iPhone (attached). > > Anybody want to guess what the albedo of this "white roof" is? It has > Energy-Star approval. (http://www.duro-last.com/) > > Duro-Last is proud to be a charter partner in the EPA's ENERGY STAR® > <http://www.energystar.gov/> Roof Products Program. Duro-Last is a leader in > cool roofing solutions <http://www.duro-last.com/cool-roof.asp> , and our > Cool Zone® <http://www.duro-last.com/coolzone/> brand addresses the growing > nationwide interest in sustainable roofing systems. > > Best, > > Ken > > _______________ > Ken Caldeira > > Carnegie Institution Dept of Global Ecology > 260 Panama Street, Stanford, CA 94305 USA > +1 650 704 7212 [email protected] > http://dge.stanford.edu/labs/caldeiralab @kencaldeira > > See our YouTube: > Regional responses to solar-radiation management: Dr. Katharine L. Ricke > <http://www.youtube.com/watch?v=SaV2JawS4cw> > Biofuels, food prices, and the poor: Roz Naylor speaks to Near Zero > <http://www.youtube.com/watch?v=VCrsIjCci4c> > > > -- > You received this message because you are subscribed to the Google Groups > "geoengineering" group. > To post to this group, send email to [email protected]. > To unsubscribe from this group, send email to > [email protected]. > For more options, visit this group at > http://groups.google.com/group/geoengineering?hl=en. > > <IMG_0756.JPG> > <IMG_0754.JPG> -- You received this message because you are subscribed to the Google Groups "geoengineering" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/geoengineering?hl=en.
