[2] Krashen has among papers (peer-reviewed and not) and books, more than 486 publications, contributing to the fields of second-language acquisition, bilingual education, and reading.
[4] Most recently, Krashen promotes the use of free voluntary reading during second-language acquisition, which he says "is the most powerful tool we have in language education, first and second.
During the campaign to enact an anti-bilingual education law in California in 1998, known as Proposition 227, Krashen campaigned aggressively in public forums, media talk shows, and conducted numerous interviews with journalists writing on the subject.
Krashen has been an advocate for a more activist role by researchers in combating what he considers the public's misconceptions about bilingual education.
Addressing the question of how to explain public opposition to bilingual education, Krashen queried, "Is it due to a stubborn disinformation campaign on the part of newspapers and other news media to deliberately destroy bilingual education?