He said Italy recently became the first country to make classes on climate change compulsory in schools.
All the seven Independent MLAs, including Ranjit Singh Chautala who was not present at the meet in Delhi, are supporting the present Khattar-led dispensation.
Deputy Chief Minister Chautala said that the Central government should lead the efforts in consultation with Haryana, UP, Delhi, Rajasthan, and Punjab.
Cabinet will be expanded after the assembly's special session from November 4.
There are 25 Jats MLA in the newly elected Haryana assembly. Of them, nine are from the Congress, five each from the BJP and JJP, one from the INLD and five are independent legislators.
Sanjay Raut drew a comparison between the two states and implied that unlike Dushyant, whose father is serving a jail term, the Shiv Sena has nothing to worry about.
On being asked about the delay in forming government in the state, Sanjay Raut took a jibe at Haryana Deputy Chief Minister and JJP leader Dushyant Chautala.
The core Jat vote bank of the of Jannayak Janata Party is feeling betrayed and seething with anger over Dushyant Chautala, 31, lending support to the BJP.
Dushyant tied the knot with Meghna, daughter of an Indian Police Service officer, in April 2017.
The saffron party formed the government in alliance with the newly formed Jannayak Janta Party (JJP) led by Dushyant Chautala, who took oath as Khattar's deputy.
An alumnus of Lawrence School at Sanawar in Himachal Pradesh, Dushyant has studied law at National Law University and has done Business Administration from California State University.
In a post-electoral alliance, the JJP has extended support to the BJP, which won 40 seats, six short of the majority mark.
Ranjit Singh is the brother of the jailed Om Prakash Chautala, the grandfather of Dushyant Chautala, and has estranged relations with the Chautala family.
Attacking Dushyant Chautala led Jannayak Janta Party, the Congress leader said the party had campaigned against the BJP during the elections and is now forming the government with them.
Ajay Chautala and his father Om Prakash Chautala were convicted on January 16, 2013, by a Delhi court for illegally recruiting 3,206 junior basic teachers 12 years ago.