Latest Lonnie Thompson Stories

COLUMBUS, Ohio (AP) - An earth sciences professor at Ohio State University was named Tuesday to receive a National Medal of Science from the White House, the university announced.Lonnie Thompson, a glaciologist, received the medal for his work providing evidence of global climate change. He is one of eight researchers who will receive the award this summer during a White House ceremony.Thompson has worked for nearly three decades, leading more than 50 research expeditions to ice caps and...

CHACALTAYA GLACIER, Bolivia (AP) -- Up and down the icy spine of South America, the glaciers are melting, the white mantle of the Andes Mountains washing away at an ever faster rate. "Look. You can see. Chacaltaya has split in two," scientist Edson Ramirez said as he led a visitor up toward a once-grand ice flow high in the thin air of the Bolivian cordillera. In the distance below, beneath drifting clouds, sprawled 2-mile-high La Paz, a growing city that survives on the water...