From November 14 - 24th a series of lectures on 'Diversity and Uniformity in Linguistic Sound Systems' by Ian Maddieson, Adjunct Research Professor at the University of New Mexico, Adjunct Professor Emeritus at the University of California was held at the HSE School of Linguistics. The course was dedicated to the phonetic diversity of languages and included eight lectures. During the series, Professor Maddieson talked to HSE English News Editor, Anna Chernyakhovskaya’s questions about his research into the relations between language and environment.