The Southern Lights (Aurora Australis), with the earth illuminated by moonglow, in an amateur photograph by one of the astronauts on board the shuttle Discovery in 1991: from an article in the NYT Lens blog on photography by astronauts.
On non-high-tech ways of being environmentally responsible:
By modifying cattle feed
By putting succulents on city rooftops
By recycling obsolete electronics
By implementing bus rapid transit systems (if the conditions are right)
However, on the political front, working one step at a time is apparently not good enough for some activists (perhaps this can serve as an effective definition of the term “activist”)
On standards in scientific journals:
Physical Review Letters draws a line in the sand, and not before time
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