Archive for July, 2006

Ethanol Not So Green After All?

Publication: National Geographic News   Date: July 11, 2006   View Article

High gas prices, the threat of shrinking oil reserves, and global warming guilt are driving interest in ethanol, biodeisel, and other biofuels—energy sources produced from agricultural plant matter rather than fossil fuels such as oil and coal.

But can biofuels really replace petroleum products? And are they really better for the environment than fossil fuels?

Endangered Whales Get Protected Area off Alaska

Publication: National Geographic News   Date: July 7, 2006   View Article

The U.S. government Thursday designated thousands of square miles off Alaska as critical habitat for the North Pacific right whale, one of the rarest whales in the world.

The designation of the 36,750 square miles (95,200 square kilometers) in the Bering Sea and Gulf of Alaska was based on right whale sightings in the regions between 1996 and 2003.

Alien Species Invading Antarctica, Experts Warn

Publication: National Geographic News   Date: July 6, 2006   View Article

Golf in Antarctica, anyone?

You can’t set a tee time just yet, but a type of grass favored for putting greens—annual bluegrass—has taken root on King George Island, about 75 miles (120 kilometers) from the icy continent.

Scientists are not amused.

“Sooner or later, invasive species do become a big problem,” said Maj de Poorter, an invasive-species researcher at Auckland University in New Zealand.

© 2008-2010 Collected Writings By John Roach