Environmentalist is often a term used to describe impassioned tree huggers but the word literally means someone who studies the environment so environmentalists can be scientists as well. An ecologist studies the environment and an environmentalist wants to save the environment.
NEIL DEGRASSE TYSON: Just in case our human bodies can't live forever, this computer scientist is trying to design virtual replicas, avatars, that will. JASON LEIGH: An avatar is an instance of yourself that's digital, that will never die. NEIL DEGRASSE TYSON: Jason knows he can't really make you live forever, but he can use computers to preserve your thoughts, memories and even the way you look, for eternity.
photo credit. As someone who has been a vegetarian for her whole life, I am a walking testament to the fact that yes, you can survive without meat for more than a few hours. There have been many studies citing vegetarianism as a means of longevity through diet, even adding up to 13 years to your life.