Now that you mention it (I skimmed over that last part), I have no idea what that sentence even means.
The writer of the article in question was inferring that the Conservatives were reacting to polls and media pressure and modifying (from the platform of a party that no longer exists federally) their "green" stance solely due to their minority government status.
In other words, a classic case of LIEberal projection, accusing your opponent of doing that which is your own weakness.