Thiruvananthapuram: As many as 45 films on environment and wildlife are being screened as part of the CMS Vatavaran travelling film festival and forum which took off here on Monday.

Filmmaker Adoor Gopalakrishnan and Forest Minister Benoy Viswom inaugurated the festival by lighting the lamp at the Kala Bhavan theatre.

Also present on the occasion were N. Bhaskara Rao, chairman CMS; T.M.