What will the world look like in 20-100 years?
http://venturebeat.com/2013/09/27/nasa-this-is-what-the-earth-will-look-like-in-2099/
http://www.iflscience.com/space/what-will-earth-look-100-million-years-now
http://www.americanscientist.org/science/pub/what-will-life-be-like-in-100-years
photo credit: Johan Swanepoel / Shutterstock
