Generating Force: Modern Fantasy

The generating force weakened abruptly overnight. The only people who noticed at first were the doctors and nurses in the clinics, who saw mothers inexplicable cease to push quite so hard, who saw old folks start to fade and die though before they'd been entirely strong and alive. Over the next few weeks, scientists in labs saw a problem with their in-vitro fertilizations not taking as well as they had previously, but they dismissed it as a one-time problem with equipment. The farmers noticed that their crops were not doing so well in the spring, and they blamed it on a new pest that had to be discovered and wiped out; the weather and soil had been perfect. It was only when doctors and scientists and farmers across the globe started to compare notes that--

Inspiration: "generate"
Story Potential: Medium-high.
Notes: Kind of interesting, could tie in to the whole "Mother Earth" concept, some need for figuring out the old fertility rituals (some of which got pretty nasty), some magic being forced into everyday life as an abrupt necessity. Good backdrop for something. Couldn't really be explored in less than novel length. Nice and apocalyptic, too.