Swift action by the Kenyan police in apprehending the men had averted mayhem and a massive number of deaths, the court magistrate said.

BBC: Two Iranians found guilty of Kenya terror plot

Their children said the men had been friends for over 30 years and their deaths had left a "massive hole".

BBC: Koh Samui

Within days, once it had been established that tainted Tylenol caused the deaths, Burke issued a massive product recall of more than 31 million bottles, and decided not to put the product back on the shelves until new, tamper-resistant packaging could be devised.

FORBES: Courageous Leaders: Doing Hard But Necessary Things

Indoor air pollution (IAP) is an excellent example: A massive global problem and the second-largest driver of global warming, IAP causes over 3.5 million needless deaths each year, mainly in the developing world, and has a disproportionate impact on women and children.

FORBES: Where There's Smoke, There's Fire: A Call to Action for Better Indoor Air Pollution Research