Negotiators toiled Tuesday to break a deadlock at UN climate talks after G20 leaders acknowledged the need for trillions of dollars for poorer nations but left key sticking points unresolved.Those key questions were not answered in the G20 statement.

Negotiators sought Tuesday to break a deadlock at UN climate talks after G20 leaders backed the need for "trillions" of dollars for poorer countries but left key sticking points unresolved.

The G20 leaders' declaration reiterates the need for rapidly scaling up climate finance “from billions to trillions” without any specifics

Leaders of the world’s biggest economies confirmed their support to shift more cash to developing countries to help them cope with climate change.

G20 communique in Rio contains key lines on climate confirming world set to transition away from fossil fuels. In keeping with previous Cop summits in authoritarian countries, authorities in Azerbaijan appear to have made some limited allowances for civil society interventions during the conference.