Greta Thunberg 'Rickrolls' climate concert with crazy dance moves - CNN

The subsequent COPs have sought to make the plans attached to it more ambitious and to detail courses of action.

But 18-year-old Thunberg took aim at world leaders -- including US President Joe Biden and the UK's Boris Johnson -- at a youth climate summit in Milan last month, saying the past 30 years of climate action had amounted to "blah, blah, blah."

"This is not about some expensive, politically correct dream at the bunny hugging or blah, blah, blah.

Build back better, blah, blah, blah.

Green economy, blah, blah, blah," she said.

"Net zero, blah, blah, blah.

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