'If they don't do it, we will': Greta Thunberg rallies climate strikers for long haul

At rally in Denver, Swedish activist again scolds leaders for ignoring science

Young people must be prepared to strike for a long time for action on climate change and not back down, the Swedish climate activist Greta Thunberg has told a rally in Denver.

Thunberg said she and fellow youth activists would not beg those in power to act because she expected leaders to keep ignoring them.