The better climate meant more resources and vegetation available for humans; therefore, the small mobile groups could begin to reside in one area. Agriculture was a turning point in early human life because humans began to alter their surroundings for survival
The human lineage was not always at the top of the food chain. Our ancestors met astonishing challenges in their surroundings, and were susceptible to disease, injury, and predators.
One problem with using fossil fuels is pollution. Pollution is very bad for the earth, and the environment. Another problem is supply. We could run out fast.
