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 produced by the decarboxylation of dopa; it is the direct precursor in the synthesis of norepinephrine and is also a neurotransmitter in the central nervous system. 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.