Climate rallies worldwide, millions of people marching, a lone protester in Moscow

People around the world have called on world leaders to take urgent action at the UN Climate Action Summit to avert an environmental catastrophe.
The protests are planned in about 150 countries and were inspired by 16-year-old Swedish activist Greta Thunberg, who will lead the rally in New York.
Organizers said 300,000 people gathered around Australia, the BBC reported.
In conjunction with the UN summit this week, organizers on Friday will hold coordinated strikes around the world for a third time, with Thunberg spearheading a march and rally in New York, home of the United Nations headquarters.
With the banners saying "The oceans are rising and so are we", or "We didn't light it, but we're trying to fight it,", the pupils protested in Sidney, Melbourne, Alice Springs and other Australian cities.
Lots of people have gathered in Berlin.
Greta Thunberg wrote on Twitter that there were more than 80.000 people, as Index.hr reports.
Two protesters got arrested in London for disturbing public law and order, police said.
Rallies were also held in Copenhagen, Helsinki and Stockholm.
In the Danish capital, several thousands people gathered, carrying umbrellas and banners saying: "Lawmaker: know your climate".
IIn Finland's capital, Helsinki, a man dressed as Santa Claus stood outside Parliament holding a sign that said, "My house is on fire, my reindeer can't swim."
A rally in Sweden's capital of Stockholm is organized downtown behind a banner saying "School strike for climate." That's the slogan Swedish teenager Greta Thunberg used when she started skipping classes once a week to protest climate change, AP reports.
Thousands of students are rallying in Prague and dozens of towns and cities across the...