Tony O’Reilly Jr spent 23 years as a director of Providence Resources, including 15 years as chief executive, trying to get oil out of the ground off the coast of Cork. Now, O’Reilly Jr is going in the opposite direction, co-founding a new venture to reduce the amount of carbonisation in the world contributing to the battle against climate change.  O’Reilly departed Providence last December after a Chinese investor in a huge oil and gas prospect called Barryroe failed to materialise after two years of talks. It has been a tumultuous period, but it has taken him only half-a-year to…