Welcome to Carbon Brief’s DeBriefed. An essential guide to the week’s key developments relating to climate change. This week Countries chart path away from fossil fuels SANTA MARTA SUMMIT: Countries attending a first-of-its-kind summit have walked away with plans to develop national “roadmaps” to move away from fossil fuels, along with new tools to address subsidies and carbon-intensive trade. The first conference on “transitioning away” from fossil fuels, held in Santa Marta, Colombia, from 24-29 April, saw 57 countries – representing one-third of the world’s economy – debate practical ways to move away from coal, oil and gas. Carbon Brief has produced an in-depth summary of the talks. ‘REFRESHING’ APPROACH: Against the backdrop of a global oil and gas crisis, ministers and envoys from across the world sat side-by-side in small meeting rooms to have open and frank conversations about the barriers they face in transitioning from fossil fuels to clean energy. This new format – devised by co-hosts Colombia and the Netherlands – was described as “refreshing” (see below). NEW SCIENCE PANEL: The event also featured a “science pre-conference” attended by 400 academics from around the world. This saw the launch of a new science panel that will aim to provide quick analysis to nations wanting to accelerate their transition away from fossil fuels. In addition, the academics gathered gave their backing to a new scientific report – first covered by Carbon Brief – advising nations to “halt all new fossil-fuel expansion”. Around the world UAE QUITS OPEC: The United…