Yet, despite our many advances, our environment is still threatened by a range of problems, including global climate change, energy dependence on unsustainable fossil fuels, and loss of biodiversity.

Most of us would never consider getting our car repaired without first receiving an estimate of the charges, but this is exactly what we do when we need to go to a hospital for treatment.

But cord blood also holds the great potential of producing pleural potential cells that could cure many other diseases such as juvenile diabetes, a disease that I live with every day.

We are currently working on new policies to protect and create American jobs, particularly by improving education. We need more information in order to find the best solutions to this increasing concern for American families.

More than 70 percent of seniors are asking for more time. It is long overdue for Congress to listen and make sure that seniors have a prescription drug plan that works for them.

The hydrogen powered car, with its high fuel mileage and zero emission rate, is just one example of the products under development that will help increase our energy independence.

The Arctic National Wildlife Refuge is a unique and biologically special place that should be preserved.