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Radiosonde Temps Show Northern Hemisphere, Tropical Warming Has Mostly Paused Since 1998

Radiosonde Temps Show Northern Hemisphere, Tropical Warming Has Mostly Paused Since 1998

A new study indicates nearly all the Northern Hemisphere and Tropical warming in the last 40 years occurred by the late 1990s. CO2 has risen by about 50 ppm since 1998 (367 to 418 ppm). Interestingly, upper-air measurements of temperature from balloon-borne sensor radiosonde data, shown below in the image from a new study (Madonna […]

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