CLEAN: Billion people invited to switch off lights for 'Earth Hour'

The video discusses the global effort to unite for the future of the planet, highlighting how millions of people across various cities and continents will come together to speak with one voice. It also includes expressions and reflections on this collective action.

What is the main focus of the first section of the video?

• The history of the planet

• The future of education

• The future of the planet

• The future of technology

How many people are mentioned to be participating in the global event?

• Thousands

• Millions

• Hundreds

• Billions

Which continents are involved in the global event?

• Only Africa and Australia

• All continents

• Only Europe and Asia

• Only North and South America

What is the tone of the expressions in the last section?

• Historical and factual

• Informal and personal

• Technical and detailed

• Formal and serious

Which phrase is NOT part of the informal expressions in the last section?

• Speak out with one voice

• Yeah, yeah, yeah

• Get milleville

• Never look back