Across the Earth, America is feeding the hungry.

CNN: Transcript of State of the Union

There he found one of the poorest populations on earth, and an environment quickly degrading as hungry farmers tried desperately to cultivate rice in the eroding soil.

FORBES: Can We Revolutionize Agriculture Without 'Science'?

Edwin Lau, director of Friends of the Earth in Hong Kong, said the move to clean up Hong Kong's energy-hungry buildings was long overdue.

CNN: Can Hong Kong build bigger, higher, greener?