The good news: the U.S. is making a tectonic shift from burning coal to produce the majority of its electricity to using cleaner natural gas. The changeover produces less CO2, making electric cars cleaner across the country, roughly equivalent to a hybrid.
Dopamine is a neurotransmitter, a chemical responsible for sending messages between the brain and different nerve cells of the body. It's responsible for many functions, including memory, sleep, mood, pleasurable reward, behavior and cognition.
catecholamine â(plural catecholamines) (biochemistry) Any of a class of aromatic amines derived from pyrocatechol that are hormones produced by the adrenal gland. 1988, Lubert Stryer, Biochemistry, 3rd edition, p. 1025: Epinephrine and dopamine are two other catecholamine transmitters.