From carpets to computers, T-shirts to TVs, manufacturing new products emits CO2. Extending the lives of existing goods reduces the need for manufacturing new ones.
In 2006, the U.S. recycled about 40 percent of packaging materials, saving 108 million
In general, the bigger the animal, the less its footprint resembles the bony structure of its foot. The reason? Large animals need a lot of built-in foot padding to absorb the impact of their great we
: 9-18,000 kilograms (20-40,000 pounds) Food: plants When it lived: about 150 million
Some researchers think that intense volcanism could have contributed to the dinosaurs‘ decline well before a comet or asteroid impact sealed their fate.
The Deccan Traps date back to around 66 million years ago, when magma from deep inside
In detective stories, footprints often identify a suspect. For dinosaur experts, life is more complicated. Prints record skin, flesh and tendon as well as bone.
The age of non-avian dinosaurs lasted more than 170 million years, during which billions
Evidence: Ice CoresFor hundreds of thousands of years, the concentration of CO2 in the atmosphere remained fairly stable. But not anymore. Today, the atmosphere contains more CO2 than at any time in a
CO2 in the atmosphere is measured in parts per million, or ppm.
The Heat is On: Fast Facts from the American Museum of Natural History
widespread, increasing atmospheric carbon dioxide (CO2) from an estimated 274 parts per million
How do we know an asteroid killed the dinosaurs? Explore the evidence with geologist Steven Jaret.
7 pm Location Cullman Hall of the Universe Enter at 81st Street Sixty-six million
Explore the craft of cultivating one of Cuba’s most famous crops, tobacco.
© iStockphoto Hand-Rolled in Havana Every year, around 100 million premium cigars
The armored dinosaurs, or ankylosaurs, were covered in bony plates, horns and spikes that formed a suit of armor from head to tail. Many of these features were almost certainly used for defense. But s
: 1-2 meters (4-5 feet) WEIGHT: around 2 tons Food: plants When it lived: 75 million
Millions of people around the world work in offices.
conditioning units, and steam units, and uses waterless urinals, saving approximately 7.7 million
