Dave, who is here to take part in the Conference of Parties (CoP22), also released books on 'Low Carbon Lifestyle' and 'Lifestyle for minimum Carbon Footprint' at the India Pavilion.
"Wasting food is akin to being a 'carbon criminal'. #COP22," Dave tweeted.
"Let us make a lifestyle of minimum carbon footprint a movement of the future. Winds of change always start from self & from within. #COP22," he said in a series of tweets.
"My message to Children on Children's Day today -- 'Take only as much food as you want in your plate'," he said.
Earlier in the day, he said India wants a broad outline or roadmap for the implementation of the Paris agreement to be finalised at the crucial climate change conference.
The CoP22 started on November 7 and will go on till November 18 as nations continue their work on strengthening the global response to the threat of climate change, with the central focus on enhancing ambition, promoting implementation and providing support.
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