The Science of Climate Change Explained: Facts, Evidence and Proof


Definitive answers to the big questions.

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.

Find the full list of questions and answers at The New York Times.

The planet has warmed by more than 2 degrees Fahrenheit since the late 1800s, primarily because of rising greenhouse gas concentrations. (Credit: NOAA)