When Guyana discovered huge offshore oil reserves in 2015, it transformed the prospects of a country which had a been an economic and political backwater. But, as one of the countries most vulnerable to the impacts of climate change, will drilling for oil be a windfall or a curse in the long run?Stephen Sackur has just returned from Guyana for the BBC's HardTalk programme where he spoke to the people making the decisions about Guyana's future, and the people who will have to live with the consequences. The Global Story brings you trusted insights from BBC journalists worldwide. We’re keen to hear from you, wherever you are in the world. We want your ideas, stories and experiences to help us understand and tell The Global Story. Email us at theglobalstory@bbc.com You can also message us or leave a voice note via WhatsApp on +44 330 123 9480. #TheGlobalStoryThe Global Story is part of the BBC News Podcasts family. The team that makes The Global Story also makes several other podcasts, such as Americast and Ukrainecast, which cover US news and the war in Ukraine. If you enjoy The Global Story, then we think that you will enjoy some of our other podcasts too. To find them, simply search on your favourite podcast app.This episode was made by Richard Moran. The technical producer was Matt Hewitt. The assistant editor is Sergi Forcada Freixas and the senior news editor is Jonathan Aspinwall.