climate change
By Julia Rosen Ms. Rosen is a journalist with a Ph.D. in geology. Her research involved studying ice cores from Greenland and Antarctica to understand past climate changes. Published April 19, 2021 Updated Nov. 6, 2021 Leer en español The science of climate change is more solid and widely agreed upon than you might think. But the scope of the topic, as well as rampant disinformation, can make it hard to separate fact from fiction. Here, we’ve done our best to present you with not only the most accurate scientific information, but also an explanation of how we know it. How do we know climate change is really happening? How much agreement is there among scientists about climate change? Do we really only have 150 years of climate data? How is that enough to tell us about centuries of change? How do we know climate change is caused by humans? Since greenhouse gases occur naturally, how do we know they’re causing Earth’s temperature to rise? Why should we b...