T ‌‌‌‍‍‌‍‌‌‍‍‌‍‍‌‌‌‍‍ his will be an Extended Essay which is a external assignment which is a 4000 word essay from the IB diploma. There needs to be proper citations and in text citations to support the essay. It is a world studies External Essay meaning it includes the mixture of two topics Environmental science and society Standard Level and Economics Higher level. The sub topic is ‌‌‌‍‍‌‍‌‌‍‍‌‍‍‌‌‌‍‍ Sustainability and economics. It needs to be based upon an environmental issue that exists in the world currently relating to a certain event and the effects it brings on the economy. Further information on this can be found on the Website of what a EE(external essay) is and what World studies means. You will also be able to find the requirements and details needed ‌‌‌‍‍‌‍‌‌‍‍‌‍‍‌‌‌‍‍ .