Jan 11 (Reuters) - The following is a selection of stories from the Reuters Next conference taking place this week: TOP STORIES > Facebook has no plans to lift Trump ban, Sandberg says > Weeks not months to revive Iran nuclear deal, IAEA chief says > Travel body rejects compulsory COVID-19 shots, experts say herd immunity distant CLIMATE > Warming Arctic at the frontier of climate insight and risk, experts say > Nuclear power backers hopeful Biden"s climate focus will boost industry > Science must determine company climate targets, say executives > Pandemic sharpens sustainability focus in plastics and aluminium GLOBAL ECONOMY > Angola gets breathing space from Chinese creditors, says finance minister > African free trade tariff rules should be completed by July-official > "Good news" soon about restarting IMF programme-Pakistan central bank governor POLITICS & DIPLOMACY > Businesses in Hong Kong want law and order - Commerce Secretary > Ex-N.Korea diplomat says South"s propaganda leaflet ban is a "great mistake" COMPANIES > Siemens boss expects U.S. to join 2021 global economic recovery > AirAsia Group "joined at hip" with Airbus despite cancellations > Employers need to do more to tackle entrenched racism, diversity experts say CORONAVIRUS > COVID-19 fuelling education"s tech disruption, deepening digital divide > Don"t expect a conclusion from WHO"s China visit, says expert > Pandemic sharpens sustainability focus in plastics and aluminium For more coverage from the Reuters Next conference please click here www.reuters.com/business/reuters-next To watch Reuters Next live, visit here (Compiled by the Global News Desk)