Last month, when global elites gathered in Davos, Switzerland for the World Economic Forum, climate change took center stage . While it’s unclear whether attendees came away with any concrete plans to tackle the crisis — other than planting 1 trillion trees — rumors emerged that oil and gas executives discussed an issue at the heart of the climate fight: scope 3 emissions. Now, all eyes are on BP and its new CEO, Bernard Looney, who is expected to announce ambitious new climate goals for the company that include scope 3 emissions targets in his first major address on Wednesday afternoon. (Update: BP announced the details of its plan Wednesday morning; you can read them here .) So what’s the big deal with scope 3 — and why have fossil fuel companies been so afraid to touch it? Get Grist in your inbox Always free, always fresh Ask your […]