Unfortunately, given the actions of the PUC that required Xcel and other utility providers to slash carbon emissions by 41% in a scant 10 year period, yes, we have to add it to the State constitution. Given the actions in other States (NY, CA) to outright prohibit natural gas in new homes and businesses, without such a protection in place the same might be tried here at some point.
A group of Denver business leaders sued to allow new gas lines to be installed on businesses. A judge today threw out their case.
The Environmental Whackos are being too extreme on this ban. Natural gas is a awesome alternative to coal, plus cheaper than renewables and nuclear power.
Thomas Sowell: There are no solutions, just trade-offs.