He has a number of suggestions for fixing things, but the main thrust appears to be that in a digital world, there is no longer any reason for journals to only publish papers that are "interesting" as well as methodologically decent, and they have no excuse not to adopt a policy of publishing all papers that appear correct. But he has a number of other suggestions too.
A former professor and co-author of mine has a paper about publication bias in PLoS Medicine: http://www.plosmedicine.org/article/info%3Adoi%2F10.1371%2Fjournal.pmed.0050201
He has a number of suggestions for fixing things, but the main thrust appears to be that in a digital world, there is no longer any reason for journals to only publish papers that are "interesting" as well as methodologically decent, and they have no excuse not to adopt a policy of publishing all papers that appear correct. But he has a number of other suggestions too.