BBC: Street protests demanding urgent action on climate change have attracted hundreds of thousands of marchers in more than 2,000 locations worldwide.
The People's Climate March is campaigning for curbs on carbon emissions, ahead of the UN climate summit in New York next week.
In Manhattan, organisers said some 310,000 people joined a march that was also attended by UN chief Ban Ki-moon.
Earlier, huge demonstrations took place in Australia and Europe.
"This is the planet where our subsequent...