Kari visits one of the United State's top tech capitals and meets with students, rescue workers and a startup-tech company to demonstrate their groundbreaking technologies. Kari discovers how so much of this technology is bringing people together.

Kari dives into the ongoing urban experiment known as Berlin and discovers that what was once the most defining feature of the city, the Berlin Wall, has given way to an entirely unique open, urban experience of art, culture and immigration.

How will the growing world be fed? Kari meets with business owners and community leaders in San Francisco and Detroit to learn about alternative and sustainable proteins and the importance that honey bees have on the environment.

Kari visits communities across Israel and discovers that there are many ways to achieve peaceful coexistence: whether through curiosity of technology, sharing food and cuisine or enjoying sporting activities together.

Kari ventures to Doha, Qatar, on the Arabian Peninsula to discovers how people rely on centuries-old customs and modern technology to grow food, find water and keep cool all while living in the desert.

With more than half of the world's population in cities, functions like transportation and waste management are a major challenge. Kari visits New York City, where urban planners, developers and kids in the Bronx work to make their city more livable.