CLEAN : Greta Thunberg says wildfires are being intensified by the climate crisis

The video discusses the intensifying climate crisis, highlighting wildfires in California and global environmental feedbacks. It emphasizes the growth of environmental activism, the urgent need for ocean conservation, and the inspiring sacrifices made by individuals to drive change.

Why is it important to address the climate crisis according to the text?

What sacrifices is the speaker willing to make for the cause?