A new Gallup poll found that a majority of Americans are now opposed to hydraulic fracturing (more commonly referred to as “fracking”). According to the survey, when asked if they “favor or oppose … ‘fracking’ as a means of increasing the production of natural gas and oil in the U.S.,” most of the responds, 51%, said they opposed it, while just 36% were in favor. Thirteen percent had no opinion.

These results stand in relatively stark contrast to the same survey taken last year, when the results showed a 40-40 split, with 19% expressing no opinion. Gallup notes, “One major reason the price of [oil] has remained so low is fracking, which now accounts for half of the oil production in the U.S.” You would expect that to foster growing support for fracking, particularly among Republicans — many of whom subscribe to the “drill baby drill” philosophy. But the Gallup poll surprisingly found that it’s precisely this group that saw the biggest shift. In 2015, 66% of Republicans approved of fracking, but that dropped to 55% in the new poll. Meanwhile, support dropped by just 1% among both Independents and Democrats.

What to make of this? It’s unclear why Republican support is what’s dropping the fastest. But according to Gallup, there are two primary drivers likely at play. For starters, “Americans’ turn against fracking comes as the percentage predicting there will be a critical energy shortage in the next five years has fallen to a new low, likely because of lower gas prices. With oil and gas relatively cheap, many Americans may not see the need to fracture the earth through fracking.” Secondly “Fracking is potentially a cause of earthquakes across sections of the U.S. that are not used to these types of natural disasters. The U.S. Geological Survey said this week that 7 million Americans are at risk of experiencing earthquakes caused by fracking in the states of Oklahoma, Kansas, Texas, Colorado, New Mexico and Arkansas. With more than 1,000 earthquakes in the central U.S. alone last year, these events could be linked to the rising percentage of Americans who oppose fracking.”

However, researchers have discovered a major caveat on the issue of earthquakes that the media is largely ignoring. Last year a study by Stanford found that it’s not fracking, per se, that’s to blame, but rather the aftereffects of wastewater. As Stanford Professor Mark Zoback reported, “What we’ve learned in this study is that the fluid injection responsible for most of the recent quakes in Oklahoma is due to production and subsequent injection of massive amounts of wastewater, and is unrelated to hydraulic fracturing [emphasis added].” Even the the U.S. Geological Survey says, “Fracking causes extremely small earthquakes, but they are almost always too small to be a safety concern. In addition to natural gas, fracking fluids and salt water trapped in the same formation as the gas are returned to the surface. These wastewaters are frequently disposed of by injection into deep wells. The injection of wastewater and salt water into the subsurface can cause earthquakes that are large enough to be felt and may cause damage.”

That’s a problem innovation would suggest can eventually be solved. If Americans want to continue enjoying low gas prices — which, ironically, Gallup suggests may be why they feel we no longer need fracking — they will need to embrace the technique that’s saving them dollars at the pump.