used large numbers of simulations to examine how atmospheric gases and climate conditions could change over extremely long periods.
These models provide scientists with a way to explore possible futures that cannot be observed directly because they occur over timescales much longer than human history.
The Future of Humanity
The distant future raises an important question: Could humanity survive beyond Earth?
At present, humans are completely dependent on Earth for food, water, breathable air, and a stable environment.
Mars is extremely difficult to live on, and creating a truly self-sustaining
