For thousands of years, Earth’s climate has followed natural cycles of warming and cooling. Long before modern civilization emerged, the planet experienced dramatic ice ages that transformed landscapes, reshaped ecosystems, and influenced the evolution and migration of early humans. But scientists studying Earth’s climate history have identified a remarkable possibility: without human-caused global warming, the planet could eventually have entered another ice age. Instead, the Industrial Revolution changed the trajectory of Earth’s climate. As humans began burning coal, oil, and...Click for full post
