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U.S. President Joe Biden will be at the
. He was in Rome on Friday for a
with the Pope. Climate activists found his 95-car
a little
, just two days
of a climate conference. Ms Thunberg criticised the conference for its lack of
from developing countries. She said: "We need more
from the Global South." The UK's Prime Minister Boris Johnson is hosting the
. He said: "COP26 must mark the
of the end of climate change." He added: "Too many countries are still doing too
."