"Humanity is now standing at a crossroads."
Teenage climate change campaigner @GretaThunberg tells #ExtinctionRebellion crowds in London: "We're waiting for others to follow our example."
Watch Greta's full speech to protesters here: https://t.co/QUurjQb1EB
Over 1000 people arrested in London this week for protesting to #SaveOurPlanet #SaveOurDemocracy #Injustice
"Every morsel of food, every sip of water, the air we breathe is the result of work done by other species. Nature gives us everything we need to survive." https://t.co/HU1znh0V3f