Reflective roofs have not been discounted. Such roofs may have very low marginal cost so it could be worth doing. However, this approach would not be scalable so could be a minor contribution, at best, to overall risk reduction.
On Fri, Dec 12, 2008 at 6:42 AM, Andrew Lockley <[email protected]>wrote: > > Sounds very similar to the 'reflective roof' idea which has been > considered and (I believe) discounted. > > 2008/12/12 Steven Parkes <[email protected]>: > > > > Has anyone considered adding _slightly reflective_ materials to surfaces > > that are regularly covered or newly made. For instance tarred roads, > > roofing and the like. Too reflective on roads would be bad for drivers > > in the day but certainly may show a little advantage at night. Imagine > > if every vehicle on the road was forced to have a reflective roof, it > > would probably have to be redesigned so as not to reflect into the eyes > > of those drivers in taller vehicles. > > > > Who could do the math and test the viability here? > > > > Steven Parkes > > > > > > > > > > > --~--~---------~--~----~------------~-------~--~----~ 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 -~----------~----~----~----~------~----~------~--~---
