Graphic: How We Know We’re Causing Global Warming

Graphic: How We Know We’re Causing Global Warming: "pby John Cook, in a Skeptical Science cross-post In 1859, physicist John Tyndall ran an experiment demonstrating the greenhouse effect. Visible sunlight easily passes through our atmosphere to warm the Earth. However, invisible heat rays rising from the Earth’s surface, otherwise known as infrared radiation, don’t easily escape back to space. What Tyndall showed by [...]/p"