On March 8, Polish Prime Minister Donald Tusk said, “[Shale gas development] has to be safe for the environment, technologically feasible on a large scale, and it must be profitable.
Sa Marso 8, sinabi Polish Prime Minister Donald pangil, "[-unlad gas Shale] May upang maging ligtas para sa kapaligiran, technologically magagawa sa malaking proporsyon, at dapat itong maging malaking kita.