How the Snowshoe Hare Is Losing Its Winter Whites

ENVIRONMENT As the climate warms, snowshoe hares are increasingly ditching their winter wardrobes and keeping the brown fur they sport during the rest of the year. Now, a new study shows how: by borrowing a gene from a jackrabbit. (Science) Why does the snowshoe hare change coats to begin with? Check out our terrific gallery of downloadable illustrations for some help. Teachers, scroll down for … Continue reading How the Snowshoe Hare Is Losing Its Winter Whites

As Carbon Dioxide Levels Rise, Rice Becomes Less Nutritious

HEALTH One of the world’s most important food crops may be declining in quality due to greenhouse gas emissions. (Scientific American) Where is rice a staple food? Use our resources to find out. Teachers, scroll down for a quick list of key resources in our Teachers Toolkit, including today’s MapMaker Interactive map of rice-producing nations. Discussion Ideas The nutritional value of rice may fall as … Continue reading As Carbon Dioxide Levels Rise, Rice Becomes Less Nutritious

Sluggish Gulf Stream Reaches Slowest Rate in More than 1,000 Years

ENVIRONMENT Call it the Great Gulf Stream Slowdown: An Atlantic Ocean current that helps regulate the global climate has reached a 1,000-year low, according to two new studies. (NPR) Use our video resource to help students better understand how the Gulf Stream and other ocean currents contribute to climate. Teachers, scroll down for a quick list of key resources in our Teachers Toolkit. Discussion Ideas … Continue reading Sluggish Gulf Stream Reaches Slowest Rate in More than 1,000 Years

Switzerland Protects the Alps with a Blanket

ENVIRONMENT In the Swiss Alps, efforts to stop glacial melting have become commonplace. Each year, for example, a group of residents makes its way to the Rhône Glacier to cover up the ice in huge white blankets. (Smithsonian) Adapt our activity to learn more about how light-colored surfaces have a cooling effect on Earth. Teachers, scroll down for a quick list of key resources in … Continue reading Switzerland Protects the Alps with a Blanket

What is Killing These Funny-Looking Antelope?

ENVIRONMENT The sudden, mass death of 200,000 saigas provides a dark omen for what might happen to wildlife in a changing world. (The Atlantic) What other threats do saigas face? Teachers, scroll down for a quick list of key resources in our Teachers Toolkit. Discussion Ideas The terrific Atlantic article outlines the environmental threats faced by saigas, a critically endangered species of antelope. What are … Continue reading What is Killing These Funny-Looking Antelope?