From the BBC:
But those involved with Extinction Rebellion say the future of the planet depends on it.
"We have left it so late that we have to step up in a semi-miraculous way to deal with this situation," said co-founder Gail Bradbrook.
However, the group doesn't say what the solutions to tackle climate change should be.
Instead, it wants the government to create a "citizens' assembly", made up of randomly selected people representing a cross-section of society. Its members would decide how to solve the climate crisis, with advice from experts.
But who's going to choose the 'experts'?