New data shows that CO2 levels have broken through 430 parts per million, an indication that human-caused global warming will continue to warp the environment.

Science communicator Hank Green explains how our species’ unique intelligence got us into this climate mess—and how it will help us solve it ...

MYTH: “Only animals and forests are affected.” And FACT: Climate change affects people—through floods, food shortages, and extreme weather. MYTH: “Climate change is just part of a natural cycle.” And ...