The community has played a significant role in the history of the petroleum industry in Canada. Oil exploration is known to have occurred in the early 20th century, but Fort McMurray's population remained small, no more than a few hundred people.
The answer is they can be, but aren't always. In general, vegetarian diets are lower in saturated fats, cholesterol and animal protein, and higher in fiber and folate than non-vegetarian diets.
Becoming vegetarian 'can harm the environment'. Adopting a vegetarian diet based around meat substitutes such as tofu can cause more damage to the environment, according to a new study. It has often been claimed that avoiding red meat is beneficial to the environment, because it lowers emissions and less land is used to produce alternatives.