Major oil and gas companies are beginning to set aggressive decarbonization targets, but the path ahead for them is riddled with challenges. The latest episode of S&P Global's ESG Insider podcast takes a deep dive into what net-zero goals mean for those energy companies.   We'll hear from Ed Daniels, an executive vice president and the head of strategy at Royal Dutch Shell plc, about the company's plan for achieving net zero across its direct and indirect emissions. We also talk with Natasha Landell-Mills, the head of stewardship at Sarasin & Partners, a U.K.-based asset manager with more than £15 billion under management, about why the firm recently divested from Shell after years of engagement. And Simon Redmond, a senior director at S&P Global Ratings, explains the rating agency's decision to bump down the credit ratings of some companies in the oil sector, including Shell.   Photo source: Getty Images