Please discuss the physical principles behind the phenomenon of greenhouse effect and its implications on global warming. Also, discuss what we might do to slow down, or even reverse, this potentially devastating trend.
You must use sufficient scientific data to support your statement.  

The format requirement for this essay: minimum of three full pages of text (the space for photos, data tables and graphs should be extra); margin not to exceed 1″ on the top, bottom, left and right; single line space; size 12, font times.