Sony is the first electronics company to appear in the Guardian's you ask, they answer environment series. So drop in on the Guardian site and ask a question about Sony's environment policy and practice.
As for suggestions - here's our assesment of Sony in our latest Guide to Greener Electronics. Or you could ask:
When will Sony be putting PCs free of worst hazardous substances on the market like Apple and HP already have?
Will Sony be publicly supporting the Japanese Government's emissions reduction target?
Will Sony be supporting a stronger law (RoHS) on toxic chemicals in Europe?
Why does Sony not score better in our Cool IT Challenge?
Questions end Friday, you can see Sony's answers so far here