The Greenhouse effect

…

…poor. Information and education: People often do not know how to improve efficiency or reduce emissions. Government can provide them with the information they need to make better choices. Research and development: Government and industry can support research to demonstrate and improve existing technology, and to develop new technologies that use less energy or emit no carbon dioxide (e.g., refrigerators that use less electricity, cheap practical solar water heaters, and inexpensive solar/hydrogen technology).