Bruce Melton : Has Texas Crossed a Climate Threshold?

Downtown Austin seen from near the intersection of Loop 360 and US 290/71 West. This photo was taken in early September 2011. The brownish yellow- and red-leaved trees in the left and bottom right foreground are elms. They naturally shed their leaves early during our hottest summers and September is still summertime in Central Texas! The fall leaf drop does not start until October. This year is