Nature World: As our world warms, glacial ice continues to retreat. However, scientists have now come to realize that humans are mostly to blame, rather than being able to solely peg it on natural climate fluctuations, according to a new study.
Glacier extent actually responds very slowly to climate changes. In fact, it typically takes glaciers decades or centuries to adjust. The global retreat of these massive chunks of ice started around the middle of the 19th century at the end of the Little Ice Age. Though...