The year 2015 has been a landmark for sustainability with the United Nations adopting the Sustainable Development Goals (SDGs) aimed at taking the world to low carbon and inclusive growth pathway. Hindustan Times with United Nations Foundation sought view of school children across Delhi on sustainability issues and asked them to submit videos. There was an overwhelming response from schools and HT editors reviewed the videos for content, original work and messaging. Here are some of the videos selected. (Gyan Bharati School, Saket)