TRANSPORTATION AND GLOBAL WARMING. Because of its near-total dependence on petroleum fuels, the U.S. transportation sector is responsible for about a third of our countryâs climate-changing emissions. Globally, about 15 percent of manmade carbon dioxide comes from cars, trucks, airplanes, ships and other vehicles. Reducing transportation emissions is one of the most vital steps in fighting global warming â and solutions to the transportation problem are already available.
spectro-. 1. a combining form representing spectrum, in compound words: spectrometer. British Dictionary definitions for spectro-. spectro-. combining form.
What is a SPECT scan? Single Photon Emission Computed Tomography (SPECT) is a non-invasive procedure that can accurately identify areas of abnormal myocardial perfusion, determine the functional capacity of your heart muscle, and separate viable (living) from non-viable (irreversibly damaged) tissue.