A star on the Hollywood Walk of Fame was unveiled on Monday honoring Bill Nye, who went from being an engineer at Boeing to winning an Emmy for hosting "Bill Nye the Science Guy," with a boost from winning a regional Steve Martin lookalike contest. and guested on "Bill Nye the Science Guy" in 1998. The star is the 2,821st since the completion of the Walk of Fame in 1961 with the initial 1,558 stars. "Bill Nye the Science Guy" aired in syndication from 1993 to 1999, receiving 36 Emmy nominations and winning 19 Emmys. Bill Nye, host and executive producer of "The End is Nye," joins LX News to answer some popular questions people have asked online about climate change.