There are many national resources regarding the status of the United States' environment and protections. There are also a number of national programs making it financially advantageous and easier to opt for sustainable practices. Here are a few:
EPA - The Environmental Protection Agency's site is a good resource for current environmental laws and regulations, as well as the national policy on environmental matters.
NASA Climate - NASA's website provides comprehensive information on climate change and the status of Earth's health. Especially helpful are the resources for children and students.
NOAA - The National Oceanic and Atmospheric Administration's site provides up to date information and research about weather, climate, our oceans, fisheries, and other topics.
Carpet America Recovery Effort - To increase the amount of recycling and re-use of post-consumer carpet, and reduce the amount of carpet going to landfills.
Energy Star - ENERGY STAR is a joint program of EPA and the U.S. Department of Energy that helps American businesses and consumers save money and protect the environment by investing in energy efficient products and practices.
GreenChill Partnership - GreenChill is an EPA cooperative alliance with the supermarket industry to promote advanced technologies, strategies, and practices that reduce refrigerant charges and emissions of ozone-depleting substances and greenhouse gases.
WasteWise - EPA's WasteWise program promotes cost savings and efficiency through waste prevention, recycling, and buying/manufacturing recycled content products. All organizations in the United States, including public and private sectors, are eligible for recognition through this innovative program.