This department  was set up on April 13, 2007 vide notification No. STE/Restructuring of ST,E,BT&PC (Vol-I)/2007 with the objectives to improve the effectiveness of environmental management, protect vulnerable ecosystems and enhance sustainability of development.

Vide Notification No. GAD(CC)-5-2/71 dated 15-10-2008 the name of the Department has been changed as Department of Environment, Science and Technology. Further vide Notification No. GAD-C-A(3)2/2019-Part-I dated May 01, 2023 name of the Department has again changed to Department of Environment, Science Technology and Climate Change.

Office of Department of Environment, Science Technology & Climate Change is later shifted to new building i.e. Paryavaran Bhawan, Near US Club in the month of July, 2014. New official address of the department is Paryavaran Bhawan, US Club Shimla-171001. (Notification No. STE-F(11)-1/2013 dated 16/12/2014).