Shale gas has provided the United States the opportunity to have 100 years of supply that is domestically produced. If we are going to develop natural gas from shale, it has to be done in a safe and responsible manner.

With leading research universities, the National Renewable Energy Laboratory and private companies like Blue Sun working on developing alternative fuels, Colorado is poised to become an international leader in clean energy.

On the Native American front, we have turned a new page in the 400-year history of the interface between the American settlers of this country and the nation's first Americans. That's included a new relationship where the sovereignty of tribes is in fact recognized.

We are talking about institutionalizing a program on solar development that will outlast the Obama administration.

It's a new day at the Department of Interior, and we need to examine what makes the most sense for the American people. These are American resources and American treasures, and we need to make sure we're providing the right kind of protection, oversight and stewardship of these resources for the American people.

I think the future for solar energy is bright.

Hydraulic fracking is very much a necessary part of the future of natural gas.