The Earth’s average global temperature is 1.2 degrees Celsius hotter (around 2.2 degrees Fahrenheit) than in preindustrial times, causing shifts in weather patterns and more frequent and severe ...
In 1896, the Swedish physicist Svante Arrhenius realized that carbon dioxide (CO 2) traps heat in Earth’s atmosphere — the phenomenon now called the greenhouse effect. Since then, increasingly ...
Research over nearly a decade has tracked an unusual case of methane and carbon dioxide levels that seems to be actually cooling portions of Antarctica. Dubbed a negative greenhouse effect, this ...
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