What is the meaning of the Olympic Motto?

The Olympic Motto is Citius, Altius, Fortius.
This is Latin for Faster, Higher and Braver.

Source: World Almanac 1997, p.865. 

When and where will the Summer Olympic Games be in the year 2016?

The Summer Olympics will be in Rio de Janeiro, Brazil beginning August 5, 2016 and closing on August 21, 2016. For more information see the above web site.

Source: Summer Olympics web site.