Coral growing - David Vaughan Wants to Save the World

An AARP (nonprofit organisation set up to help struggling seniors by being a force for change on the most serious issues they face today) video showing how marine biologist David Vaughan found a new lease of life after making a discovery.

He was testing coral and ways to grow and reintroduce it to the sea, when he broke a coral into tiny pieces. Instead of dying like he expected, it
He'd made a breakthrough that can add clean air to the planet, and has possible implications for treatment of cancer and tumors. Now he has a new lease on life and is determined not to retire until he can plant a million new corals.