The 9 most impressive social good innovations from July

Big issues are best tackled with massive creativity — and sometimes that creativity leads to world-changing innovation. 

From clothing that changes color to alert the wearer of nearby toxins to a boot that alerts health care workers if a baby stops breathing, inventors are putting their good ideas into motion.

These inventors are tackling some of the world's biggest problems. Though certainly not an exhaustive list, here are nine innovations that made an impact in July. Read more...

1. The app that helps fisherman navigate — and avoid trouble