CLEAN : Greenpeace kayakers block Arctic bound Shell rig

The transcript discusses the environmental and safety concerns related to fossil fuel dependency and Arctic drilling. It highlights the moral responsibility of individuals to oppose this system of greed. The potential for Arctic drilling by Shell is mentioned, along with the possibility of political intervention by President Obama. The transcript concludes with a reflection on the achievements and unity of people in environmental activism.

In what ways does the speaker express optimism about the efforts made against fossil fuel dependency?

What does the phrase 'we're not going to go down without a fight' imply about the speaker's attitude towards environmental issues?