by Kenneth I. Roy, PE and Robert Kennedy, PE.
Over the years, the concept has been discussed in many posts, including in the geo-engineering group by Sam Carana
The ABC show, Good Morning America, on January 29, 2007, featured a clip on mirrors in space, featuring a proposal by Roger Angel, University of Arizona, to send many small discs into space to form giant mirrors deflecting some of the sunlight from Earth.
Roger Angel's research into the feasibility of cooling the Earth with a cloud of small spacecraft near the inner Lagrange point (L1) has been discussed at:
National Academy of Sciences
National Institues of Health