Hashtag English is a six-level course for lower - secondary and upper secondary students. Young people today have only ever known a world with technology and are more than ever aware of social responsibilities, engaged with global events, and potential agents for change in a world that is constantly renewing itself.The Hashtag English series was developed around Sustainable development Goals (SDGs) from UNESCO. as part of the 2030 Agenda for Sustainable Development, UNESCO has established 17 Sustainable Development Goals (SDGs) that represent the culmination of decades or work by countries alongside the UN to ensure peace and prosperity for all people all over the planet.