Each of us can develop his or her own "energy saving programme" with a little self-observation, critical self-control and, above all, logical consistency.
In fact, scientists already have much of the information needed to assess the impact of biological control of bracken, but it is spread among many individuals, organizations, and government bodies.
While we can't control how our partner feels, reacts or responds there are things we can do to reduce some of the unpleasantness that comes with living with a grumpy old man or woman.
Alternatively, removing fuel from the fire—by chopping down trees, digging fire breaks and setting control burns ahead of it— also helps stop a fire in its tracks.
The newly domesticated animals behaved better, were easier to control, and may have enjoyed a higher birth rate, which in turn yielded greater milk supplies.