Photos: Ten Environmental Losses of 2009

Publication: National Geographic News   Date: December 15, 2009   View Article

2009 saw vast patches of the planet protected and world leaders pledge to fight global warming, but the climate continued to change dramatically–putting it in the “loss” column for the environment this year, according to experts who spoke to National Geographic.

2000-2010: A Decade of (Climate) Change

Publication: National Geographic News   Date: December 10, 2009   View Article

A decade ago, global climate change was largely considered a problem for the distant future. But it seems that future has come sooner than predicted.

One of the most remarkable, and alarming, environmental changes to occur over the last decade is the melting of Antarctic ice sheets and the recession of Arctic glaciers at speeds much faster than climate change models had predicted, according to environment experts.

Zapotec Digs in Mexico Shows Clues to Rise and Fall

Publication: National Geographic magazine   Date: March 9, 2009   View Article

When it comes to pre-Columbian civilizations, the Aztec and Maya—known for their spectacular pyramids and temples, hieroglyphic writing systems, and elaborate, violent rituals—often overshadow the Zapotec, their less familiar counterparts centered in southern Mexico.

But the Zapotec also played a vital role in ancient Mesoamerica, and archaeologists are seeking new clues to the rise and fall of their culture and civilization, which flourished and declined in the Valley of Oaxaca at roughly the same time as the ancient Maya.

Environment Photos Weekly: Drought, Deadly Storm, More

Publication: National Geographic News   Date: August 25, 2008   View Article

Captions for photos of environmental issues and events in the news. Shots include a fashion show in Indonesia with a “Fashion Meets Nature” theme, a water delivery tunnel through California mountains, Tropical Storm Fay in Georgia, a deadly drought in Indonesia, and torrential rains in Nepal.

Major Lion Die-Offs Linked to Climate Change

Publication: National Geographic News   Date: June 25, 2008   View Article

Droughts and downpours exacerbated by climate change allowed two diseases to converge and wipe out large numbers of African lions in 1994 and 2001, according to a new study.

Koala Groups Face Extinction Due to Changing Forests

Publication: National Geographic News   Date: April 27, 2007   View Article

Australia’s iconic koalas face an uncertain future as their fragmented habitats shift in response to climate change, fire, and drought, an ecologist said.

For example, St. Bees Island off the coast of Queensland is changing from “a koala-friendly forest to a koala-unfriendly forest,” said Alistair Melzer, an ecologist at Central Queensland University.

Rainfall Helps Baby Lemurs Survive, Tooth Study Shows

Publication: National Geographic News   Date: November 14, 2005   View Article

Baby lemurs born to older females with worn-out teeth are likely to survive, as long as their first few months of life are wet, a new study suggests.

Patricia Wright, an anthropologist at the State University of New York at Stony Brook, helped discover the surprising link between rainfall and infant lemur survival.

© 2008-2010 Collected Writings By John Roach