The G20 summit in Rio aims to build consensus on taxing the super-rich for climate action and poverty relief. But as geopolitical issues take priority, President Lula may struggle to quell skepticism over the proposal.

RIO DE JANEIRO (Reuters) - Brazil launched the Global Alliance for Hunger and Poverty on Friday at the G20 Summit in Rio, a Brazilian government official said, with an initial 41 participating members pledging to lift 500 million people out of poverty through cash transfers and social protection systems.

Chief Advisor Muhammad Yunus has called on global leaders to work towards building a “World of Three Zeroes” — a world free of poverty, unemployment, and net carbon emissions. Speaking virtually at the G20 social summit in Brazil’s Rio de Janeiro on Saturday, Yunus delivered an inspiring call for global solidarity during the opening session.

Days ahead of the G20 Summit in Rio de Janeiro, India on Wednesday exuded confidence that the Brazilian presidency of the grouping will manage to come out with a "consolidated" leaders' declaration no