Earth Hour. Are the sentences true or false?

Spider-Man is the first Superhero Ambassador for Earth Hour.

Earth Hour is a movement that has created little impact around the world.

Earth Hour is about people from around the world joining forces to improve the planet.

Uganda planted 500,000 trees.

Argentina protected 4 million hectares of sea.

Earth Hour will launch the world's second crowdfunding and crowdsourcing platform for the planet.

Lights On for the Reef is another Earth Hour project

You can find out more information at earthhour.org