This year’s UN climate talks in Katowice have raised major questions about the influence of fossil fuel companies on global climate policy, the ability of negotiators to push forward an ambitious climate agenda and the fortitude of the Paris Agreement. Against a conflicting backdrop of alarming new climate science and pro-coal superpowers working against the tide of progress, the fate of the Paris Rulebook — the guiding document for implementing the Paris Agreement — hangs in the balance.

From the heart of Polish coal country, Devex’s Michael Igoe, Andrew Green and Kate Midden explore major stories from the COP so far — and what this year’s negotiations mean for global development.