9. The whole city is built on an advanced energy grid which monitors the output of every single switch and appliance.
The wind tunnel above (center) is fitted with LED lights designed to glow blue when residents are within their goal of using 50% less energy than a comparable settlement, and red when they are above their goal.
- Hillary Clinton made her debut with VP pick Tim Kaine, who dipped into Spanish and spoke on support for immigration reform and gun control.
- The gunman who killed at least 10 people at a Munich, Germany mall on Friday was an 18-year-old "obsessed" with mass shootings, police said.
- ISIS has claimed responsibility for a bombing that killed at least 80 people in Afghanistan Saturday.