The report says scientists don't know enough about the effects on wildlife.
The Environmental Protection Agency is likely to get an earful in Denver this week as people testify on the agency’s plan to cut carbon emissions.
The price of renewable energy from solar and wind is beginning to compete with fossil fuels.
Advocates for the poor claim Black Hills Corp. has contributed to poverty and one state legislator is trying to make sure consumer interests are better accounted for when utilities raise rates.
Increase would help pay for closing down older coal-fired plants, converting others to natural gas and paying off increasing property taxes.
Industry officials say restrictions will cost jobs.
- Wind and solar are producing increasing amounts of power and former governor Bill Ritter says they are becoming competitive with coal prices for energy generation.Read more
The NRDC says the proposed rules will mean lower utility bills and more jobs.