But the more lasting legacy from the Games may be less obvious to the typical spectator, according to several sustainability practitioners, as London will pass to future event organisers and suppliers a pack of new standards and best practices in sustainable event management, construction and sourcing.
Some of the effects of marine heat waves, which may be less obvious to people, include sustained loss of kelp forests, reduced surface chlorophyll levels, which affect phytoplankton populations, mass mortality of marine invertebrates and reshaping of the community structure of ocean species, Tuesday's study said.
The worry in Europe is that this danger may be less obvious to the administration in Washington than it is to onlookers in London, Paris or Berlin.Assuming that these dangers can be avoided, how might the change in America's thinking affect the balance of its relations with the other two big powers, Russia and China?
It's the kind of busy, hazard-heavy driving environment humans are instinctively able to process, but that might be less obvious to a computer.
The distinction between a PDF file that is an e-book and a PDF file that is, well, any other kind of document, will be less obvious to users of Acrobat Reader 6.0.
Unfortunately it appears to be less obvious to DeWine.
At 6.10am on Wednesday, emerging into darkness, that point could have been less obvious to a driver.
It was less obvious to the fans, but Mr. Bush also proved an astute businessman and a first-class manager.
