This Week: Ancient water = ancient habitat?
In the News: Sinkholes: When the ground collapses!
The green revolution fed billions, but population keeps rising, water is short and the climate is changing. How will Africans feed themselves despite poor soil and widespread poverty? Could small projects that fit the environment and culture make farmers an engine of prosperity and a big source of food?
To battle the bulging waistline, the feds have devised 12 food pyramids to help choose a lifestyle that balances nutrition and excercise. Is this mound helpful?
Water shortages loom as world population and economy soar. American Southwest, Egypt, Iraq, China. People are getting thirsty pretty much around the world. How does this matter?
World population has reached 6 billion. What does this mean for the environment, resources, humanity? Six billion people on Earth — is that a good thing?