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.
dopamine. a compound, hydroxytyramine, produced by the decarboxylation of dopa; an intermediate product in the synthesis of norepinephrine. It is a neurotransmitter in the central nervous system; administered intravenously to correct hemodynamic imbalance in shock syndrome. dopamine agonist. used to terminate pregnancy. neurotransmitter, especially within the brain, in pathways related to the co-ordination of movement and to behaviour and emotion; deficiency of dopamine in the brain is associated with Parkinson's disease.