Sincere condolences to Professor Yu's family, colleagues and fellows. His great contribution to sustainable architecture, built and grown environments will never be forgotten.

With the greatest respect,

Natalie Mossin, Head of Institut, The Royal Danish Academy - Institute of Architecture and Technology, Former President of the Danish Association of Architects, former Vicepresident UIA, chief editor of the "An Architecture Guide to the UN 17 Sustainable Development Goals" to which Professor Yu contributed.

译文：

谨向俞孔坚教授的家人、同事及同仁致以深切哀悼。他在可持续建筑、建成环境与生态营造领域的卓越贡献，必将永载史册。

此致

崇高敬意

Natalie Mossin 丹麦皇家建筑艺术学院院长,丹麦建筑师协会前主席,国际建筑师协会（UIA）前副主席

《联合国17项可持续发展目标建筑指南》主编（俞孔坚教授曾参与编撰）