At a Glance A new study says having smaller families is the best way to combat climate change.Living car-free, avoiding airline traveland eating a plant-based diet are the next best measures to lower your personal carbon footprint. Most of us want to do our partto fight climate change and reduce ourpersonal carbon footprint. Many of us recycle, forego our automobilefor public transportation, and we watch our energy consumption. While those are all important measures, a team of scientists says there...

House Science, Space and Technology Committee Chairman Lamar Smith (R-TX) holds up a copy of Time Magazine with a cover article about "near-Earth objects" during a hearing in the Rayburn House Office Building, March 19, 2013 in Washington D.C. (Chip Somodevilla/Getty Images) At a Glance A team of congressmen made an unannounced trip to the Arctic in May, according to Buzzfeed News.The tour included several climate-change skeptics, including Rep. Lamar Smith from Texas.Smith has worked in the past to cut...

Researchers say as Arctic sea ice melts, polar bear attacks on humans rise. ...