The headline above was a direct result of the — A. Building of Fort St. Louis
B. Louisiana Purchase
C. Adams-Onis Treaty
D. Spanish explorers

Reduce the use of fossil fuels, plant more trees and cut less trees down.

If we ignore the biosphere of the planet, global warming will increase, global temperatures will rise phenomenally and all living things (including humans) would die because they wouldn't be able to survive in the extreme temperatures.