A Carbon Free Future

A Carbon Free Future

A Carbon Free Future Synopsis Electricity. Without it, our daily lives would be almost unimaginable. But unfortunately, the principal ways we’ve been producing it—by burning carbon-based fuels such as coal and natural gas—have released heat-trapping gases that have...
Fire on the Mountain

Fire on the Mountain

Fire on the Mountain Synopsis The coastal mountains of California are home to one of the state’s most distinctive biomes. Known as ‘chaparral,’ it’s characterized by vast stretches of shrubs and small trees as well as dozens of different kinds of evergreens. Chaparral...
Saving Our Shores

Saving Our Shores

Saving Our Shores Synopsis The coastal places where hundreds of millions of people live are likely to be underwater by 2050. A combination of thermal expansion and melting of vast arctic ice sheets is causing the earth’s oceans to rise, threatening seaside settlements...
Dust Rising

Dust Rising

Dust Rising Synopsis With their howling winds and thick yellow clouds, dust storms can be terrifying. Here in the U.S. we don’t hear that much about them. But in parts of the world that experience them frequently people dread their arrival. They can clog the air with...
In Search of Nitrogen

In Search of Nitrogen

In Search of Nitrogen Synopsis When scientists in the early 20th century discovered how to manufacture this nitrogen-based compound – ammonia, it was hailed as one of history’s greatest achievements. That’s because it is such a powerful fertilizer. It delivers...