Orca Timeline

"People have been constructing tall buildings for thousands of years, for many different reasons. Castle walls kept people safe. Observatories give people a bird’s-eye view. Beautiful buildings stand out in the crowd. With a growing global population, we need more space. But what does that mean for the health of the planet? Tall buildings may be part of the answer to building a sustainable future." -- Back cover. "Part of the nonfiction...

"If you could design a city that would be both a great place to live and good for the planet, what would it look like? Today, more than half the world's population lives in cities and many of those cities face big challenges, including the climate crisis, food insecurity and rapid population growth, but they are also places where innovation can thrive. Peek into the past to see how cities have changed through time and explore what could make them...

"Part of the nonfiction Orca Timeline series for middle-grade readers, this illustrated book explores our relationship with water and how we use, control and take care of it."-- Provided by publisher.

"Part of the nonfiction Orca Timeline series for middle-grade readers, this illustrated book looks at the past, present and future of codes and codebreaking."-- Provided by publisher.

"Part of the nonfiction Orca Timeline series for middle-grade readers, this illustrated book examines how engineering has helped build successful communities in the past and present and what engineering innovations could look like in the future."-- Provided by publisher. Community is essential for humans. But living together comes with challenges--challenges often solved by engineers! Access to clean drinking water? Engineers did that. Managing garbage?...

"Part of the nonfiction Orca Timeline series for middle-grade readers, this illustrated book examines how humans have communicated over time."-- Provided by publisher.

"Part of the nonfiction Orca Timeline series, with photographs and illustrations throughout. This book explores why and how people have built walls all over the world throughout the course of human history."-- Provided by publisher.