TED: 4 environmental 'heresies' | Stewart Brand

The video discusses the speaker's environmental journey, the rapid urbanization in developing countries, and the role of slums and informal economies in urban growth. It highlights the environmental benefits of urbanization, challenges posed by climate change, and the need for sustainable energy solutions. The video also covers the benefits of genetically engineered crops and the potential of geoengineering to address climate issues.

What pledge did the speaker take as a small boy regarding natural resources?

How has California's economy changed in relation to greenhouse gas emissions over the past 30 years?

What is the significance of urbanization in the developing world according to the speaker?

How do slums contribute to the economy of cities like Mumbai?

What role do informal economies play in urban areas?

What challenges does climate change pose for urban areas in the future?

How does the speaker view the relationship between nuclear energy and climate change?

What are the environmental benefits of genetically engineered food crops as mentioned by the speaker?

What moral imperative does the speaker associate with the availability of genetically engineered crops?

What is the speaker's perspective on geoengineering as a solution to climate issues?