MOJ press release: http://www.justice.gov.uk/news/features/feature130711a.htm
Consultation webpage: http://www.justice.gov.uk/consultations/dealing-with-squatters.htm
Consultation document (pdf): http://www.justice.gov.uk/downloads/consultations/options-dealing-with-squatting.pdf
I'm not sure if it will have any effect at all, but it might be worth responding with some stories about positive squatting experiences, to add a bit of balance. The worst they can do is ignore them.