Light pollution threatens the survival of every living species on our planet, including people. It started when Thomas Edison invented the first light bulb more than 150 years ago. Then, as electric light became more common, light pollution began to take over cities and towns. Today, in urban centers all over the world, the stars in the sky aren't visible. Millions of people have never seen the Milky Way. In Saving the Night, we discover how plants and animals have adapted over millions of years to survive and thrive in the dark, and how artificial light can upset the balance of entire ecosystems. But there are ways we can take back the night for animals, plants and us. It starts with the flick of a switch.
They once roamed across half the continent, but today the grizzly population has declined at an alarming rate and it is incredibly difficult to rebuild those numbers, especially in places with a lot of people. Yet grizzlies are key members of their ecological communities and a powerful symbol of wilderness. Learn from conservationists, scientists, Indigenous Peoples and young people who are working to ensure that grizzlies will be with us forever.
What can archaeology and Indigenous Traditional Knowledge tell us about how our marine environments have changed over time and the effects of climate change? From harvesting herring eggs to hunting humpback whales, humans have had a relationship with the world's oceans for more than 100,000 years. Unearth what our ancestors left behind at archaeological sites around the world and examine how tools, campsites, fishing technologies and even garbage can show us how our ancestors lived and how they used the ocean. These discoveries can unearth clues to help keep our oceans healthier today and in the future.
A Whale’s World follows a pod of spy-hopping orcas as they explore the ecosystems of the Great Bear Sea while hunting for their next meal. Past rocky shores and through kelp forests, they observe foraging wolves, hungry grizzly bears, curious black bears, graceful fin whales, splashing porpoises, slippery seals and other members of the Pacific coastal food web. The book gives readers an introduction to the many ways that marine and land animals interact with their environments and with each other.
Find out why leaves turn orange, yellow, red, and purple in the autumn before falling to the ground. Additional features to aid comprehension include colorful images, informational diagrams, hands-on activities, detailed captions and callouts, a table of contents, a phonetic glossary, sources for further research, and an introduction to the author.
Find out what causes spring, summer, fall, and winter and how different parts of Earth experience the seasons. Additional features to aid comprehension include colorful images, informational diagrams, hands-on activities, detailed captions and callouts, a table of contents, a phonetic glossary, sources for further research, and an introduction to the author.
Find out how caterpillars form a chrysalis or cocoon before transforming into a butterfly or a moth. Additional features to aid comprehension include colorful images, informational diagrams, hands-on activities, detailed captions and callouts, a table of contents, a phonetic glossary, sources for further research, and an introduction to the author.
A child plays hide-and-seek with some animals in the woods, but he loses the game when he cannot figure out where Baby Bear lives.
Provides information about volcanoes, how they form, where they are, how they erupt, the damage they can cause, and the ways we can monitor them.
Examines tornadoes, their causes, where they occur, their characteristics, and the effects they produce.
Introduces readers to Max's day of planting a seed. Discusses the concept of a sunflower's life cycle through Max's planting experience. Additional features to aid comprehension include vivid photographs, Common Core questions and activities, a phonetic glossary, and sources for further research.
Provides information about the causes of hurricanes, where they occur, their characteristics, and the effects they produce.
Through fascinating true stories and illuminating photos, learn how people live in--and make it out of--the wilderness to survive against all odds! Additional features include a table of contents, informative sidebars, a glossary of key words and phrases, sources for further research, and an introduction to the author.
Through fascinating true stories and illuminating photos, learn how people find the things they need to survive on--and get rescued from--a deserted island! Additional features include a table of contents, informative sidebars, a glossary of key words and phrases, sources for further research, and an introduction to the author.
Through fascinating true stories and illuminating photos, learn how people stranded on the seas endure and survive against all odds! Additional features include a table of contents, informative sidebars, a glossary of key words and phrases, sources for further research, and an introduction to the author.
Through fascinating true stories and illuminating photos, learn how people avoid and overcome dangerous animal situations to survive! Additional features include a table of contents, informative sidebars, a glossary of key words and phrases, sources for further research, and an introduction to the author.
Through fascinating true stories and illuminating photos, learn how people prepare for, and survive, destructive tornadoes. Additional features include a table of contents, informative sidebars, a glossary of key words and phrases, sources for further research, and an introduction to the author.
Through fascinating true stories and illuminating photos, learn how people prepare for (and react to) massive tsunamis to survive. Additional features include a table of contents, informative sidebars, a glossary of key words and phrases, sources for further research, and an introduction to the author.
Through fascinating true stories and illuminating photos, learn how people trapped in rubble (or other dangerous situations after an earthquake) survive against all odds! Additional features include a table of contents, informative sidebars, a glossary of key words and phrases, sources for further research, and an introduction to the author.
Through fascinating true stories and illuminating photos, learn how people trapped because of high water endure and survive against all odds! Additional features include a table of contents, informative sidebars, a glossary of key words and phrases, sources for further research, and an introduction to the author.
Learn more about garbage collectors, including what they do on a typical day, what the grossest part of the job is, and what technology they use to stay safe and make the job less gross.
Provides information about forest fires, where they happen, how they occur, and how they are fought and prevented.
Discusses what floods are, how they occur, and how to protect oneself when they happen.
Examines earthquakes, what they are, what causes them, and better means of monitoring them.
Provides information about the causes of droughts, where they occur, their characteristics, and the effects they produce.
