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 is a neurotransmitter (a chemical released by nerve cells) that plays an important and diverse role in how your brain functions. Dopamine's Role in the Brain Dopamine neurons (nerve cells) have cell bodies in the midbrain with nerve fibers (called axons) that extend into a number of other sites in the brain.