Perhaps you missed the part where Harrison said, “That’s a long-term view. It’s not going to happen overnight. It’s not going to be in two or three years. But it’s going away, in my view.” You might want to re-read the article.
China and India are big users of coal — that’s true. And they have the air pollution problems to show for it. However, both of these countries have very ambitious programs to increase their use of renewables so they can reduce their current dependence on coal.
And about the word “renewable”. The first dictionary definition is “capable of being renewed”, which is probably the definition you’re thinking of. This definition is applied for things like subscriptions, contracts, and the like. The second dictionary definition is “not depleted when used”. And this applies to energy sources such as the sun, the wind, ocean tides, and the like. The sun is going to keep on shining no matter how much sunlight we catch with PV cells.