1928
Courses on Civil Engineering offered in National Tsinghua University.
1932
Sanitary Engineering laboratory established in the Department of Civil Engineering at National Tsinghua University.
1952
Water Supply and Sewage Engineering (WSSE) Teaching and Research Group founded in the Department of Civil Engineering at Tsinghua University.
1957
A 1,000m2 Water Supply-Drainage Laboratory built.
1977
Discipline of Environmental Engineering founded in the Department of Architecture Engineering.
1981
Environmental Engineering Institute of Tsinghua University established.
1984
Department of Environmental Engineering (DEE) established, offering master’s degree program and doctoral degree program on Environmental Engineering.
1986
The department building constructed, funded by the State Administration of Environmental Protection.
1988
The discipline of Environmental Engineering exclusively rewarded the National Key Discipline of Environmental Engineering by the National Education Committee.
1989
State Key Joint Laboratory on Environmental Simulation and Pollution Control established.
1993
Sponsored by State Environmental Protection Agency, Tsinghua Environmental Engineering Design & Research Institute established.
1994
Prof. QIAN Yi gained the membership of Chinese Academy of Engineering.
1995
Prof. GU Xiasheng gained the membership of Chinese Academy of Engineering.
1996
The length of schooling for undergraduates shortened into four years.
1997
DEE renamed to the Department of Environmental Science & Engineering (DESE).
1998
A doctoral degree program on Municipal Engineering and a master’s degree program on Environmental Science added.
2000
DESE acquired the authority for granting doctoral degree of the 1st category discipline of Environmental Science and Engineering.
2001
DESE ranked No.1 in the nationwide evaluation of the discipline of Environmental Science and Engineering conducted by the Ministry of Education.
2005
Sino-Italian Environment and Energy Building (SIEEB) laid a foundation Prof. HAO Jiming gained the membership of Chinese Academy of Engineering.
2006
Prof. CHEN Jining appointed as Vice President of Tsinghua University by the Ministry of Education. Prof. YU Gang appointed Dean of DESE.
2007
"Environmental Engineering” of DESE elected for the 2nd time as the National Key Discipline.
2008
DESE ranked No.1 in Ministry of Education’s 2nd nationwide evaluation of the discipline of Environmental Science and Engineering .
2011
School of Environment established.
2012
Professor CHEN Jining was appointed as the President of Tsinghua University.
2013
SOE ranked NO. 1 in Environmental Science and Engineering in the National Discipline Assessment by the Ministry of Education.
2015
Professor CHEN Jining was appointed as the Minister of Environmental Protection of China.
Professor HE Kebin was elected to the Chinese Academy of Engineering.
2016
Undergraduate programs of Environmental Engineering and Water Supply and Wastewater Engineering received ABET accreditation.
National Engineering Laboratory for Flue Gas Multi-Contaminant Control Technology and Equipment established.
2017
Professor QU Jiuhui and his research team joined SOE.
The discipline of Environmental Science and Engineering got A+ in the National Discipline Assessment by the Ministry of Education.
2018
Professor HAO Jiming was elected as foreign member of the National Academy of Engineering.
2019
Professor QU Jiuhui was elected as foreign member of the National Academy of Engineering.
2020
Beijing Laboratory of Environmental Frontier Technologies was approved for construction.
2021
One achievement won the first prize of the National Science and Technology Progress Award.
