Science Express is an innovative mobile science exhibition mounted on a 16 coach AC train, traveling across India. This unique initiative was launched in October 2007 by Department of Science & Technology, Govt. of India. It has since then made eight tours of the country, traveling about 1,42,000 km and exhibiting at 455 locations. Over its 1,602 exhibition days, Science Express received an overwhelming response and 1.56 crore visitors. Science Express has become the largest, the longest running and the most visited mobile science exhibition and has six entries in the Limca Book of Records.

The Science Express Climate Action Special (SECAS) is a unique collaborative initiative of the Ministry of Environment, Forest and Climate Change (MoEFCC), Department of Science & Technology (DST), Department of Biotechnology (DBT) and Ministry of Railways, Govt. of India, Wildlife Institute of India (WII) and Vikram A. Sarabhai Community Science Centre (VASCSC). The ninth phase of the Science Express as SECAS is scheduled to run from February to September 2017, over 19,000 km during which it will be exhibited at 68 stations across India. The state-of-the-art exhibition on board the SECAS aims to create awareness among various sections of society as to how climate change can be combated through mitigation and adaptation. The exhibition is open to all but primarily targets students and teachers.

Of the 16 coaches of SECAS, exhibition in 8 coaches developed by MoEFCC are exclusively devoted to information, case studies and material related to various aspect of climate change, the underlying science, impacts, adaptation activities, mitigation solutions and policy approaches in a manner that is easy to understand and interesting for not just school students but also the masses. In rest 8 coaches, there are exhibits and activities put up by DST and DBT. Three coaches of the train are fitted with solar panel on the rooftop. This year, the train is going for the first time to Tripura, to North Lakhimpur and north bank of Brahmaputra.

The ninth phase of Science Express as 'Science Express Climate Action Special II' was flagged-off by Dr. Harsh Vardhan, Hon’ble Minister of Science & Technology and Earth Sciences and Shri Anil Madhav Dave, Hon’ble Minister of State for Environment, Forest and Climate Change, Govt. of India, from Delhi Safdarjung station. Shri Suresh P. Prabhu, Hon’ble Minister of Railways, Govt. of India joined the programme through video conferencing from Goa. Shri A.N. Jha, Secretary, Environment, Forest and Climate Change, Govt. of India also graced the event. The flag-off event was graced by a large number of guests and officials, school children, media and general public. During the flag-off event, a theme song was sung by a choir comprising visually handicapped students and musicians from National Institute for Visually Handicapped, Dehradun and researcher students of WII. This was greatly appreciated by the dignitaries present.

The Hon’ble Ministers also released the SECAS Brochure prepared by WII visited the exhibition on the train and interacted with the Science Communicators.