Ukraine deal confirms Shell's commitment to shale gas. Getty Images.

Shell’s decision to invest $10bn in the development of shale gas in Ukraine is certainly a significant move.

First, it confirms Shell’s commitment to shale and the company’s determination to override environmental objections to the technology of fracking. Shell believes shale can be developed safely and cleanly enough to avoid damaging either the environment or the company’s reputation. This move will help to confirm shale’s arrival in the mainstream of the energy market. Read more