CLEAN : Climate protesters try to occupy London City airport

The video discusses the environmental impact of frequent flying, highlighting the damage caused by business flights. It emphasizes the need for different actions to combat climate change, as traditional methods like petitions and protests have been ineffective. The speaker shares their personal commitment to activism, including being willing to face arrest for the cause, and stresses the urgent need to address climate change due to its severe impact on the planet.

How does the speaker describe their personal experience with activism?

What does the speaker mean by saying 'the cost to the planet is unimaginable'?