BY SHERYL LUZZADDER-BEACH At first glance, ancient Mesoamerica and the modern world have major differences: diverse environments, different human histories, and different technological advances among many others. But closer examination through the lens of geoarchaeology provides clues to environmental change, and human impact on and adaptations to changing environments that span the globe. It offers [...]
BY SUSAN A. CRATE Imagine making a trip to Siberia stereotypically perceived as the Gulag and a frozen wasteland only to discover an extraordinarily diverse part of the world. Not only in terms of plant and animals—just consider Lake Baikal, the deepest, oldest lake in the world holding one-fifth of the world’s fresh water and [...]
BY KAREN AKERLOF AND EDWARD W. MAIBACH The United States has now formally acknowledged climate change as a threat, and it appears that our nation is poised to begin the process of formulating a response. Many of our peer nations reached this point years earlier. Their experiences to date may have value in helping us [...]
BY DAVID W. WONG Two recent events attracted different levels of attention nationally and globally. After several decades of debates and rigorous research, and the discovery of hard evidence, climatologists and Earth scientists have come to the conclusion that global warming is not a hypothesis anymore but a fact. Global warming has triggered various policy [...]