Global emissions dropped markedly in 2020, due in large part to lockdowns that slowed economic and social activity, but the climate likely won’t be noticeably affected.
Atmosphere
Posted inNews
Making the Universe Blurrier
Climate change appears to be directly and indirectly affecting the view from at least one observatory while threatening the existence of others.
Posted inNews
Rare Wintertime Thunderstorms Recorded over the U.S. Gulf Coast
“Thundersnow”—thunderstorm activity accompanying a winter storm—was spotted near southern Texas earlier this year.
Posted inEditors' Highlights
New Land Surface Air Temperature Global Dataset
The fifth major update of land surface air temperature data from the Climatic Research Unit and the Met Office has extended the time series, included more stations, and used better processing methods.
Posted inNews
El Monte Everest a veces puede sentirse más bajo que el K2
Las variaciones de la presión atmosférica en la cima del Everest afectan a la disponibilidad de oxígeno, modificando la percepción de la elevación de la cumbre unos cientos de metros.
Posted inFeatures
Glimpsing the Ins and Outs of the Arctic Atmospheric Cauldron
Specially equipped aircraft will follow air masses into and out of the Arctic, observing their transformations and improving our knowledge of the Arctic climate and its global influence.
Posted inNews
Mount Everest Can Sometimes Feel Lower Than K2
Variations in air pressure on the top of Mount Everest affect oxygen availability, changing the perceived elevation of the summit by hundreds of meters.
Posted inResearch Spotlights
Drivers of Upper Atmosphere Climate Change
New research confirms the influence of carbon dioxide on long-term temperature trends in the upper atmosphere, but changes in Earth’s magnetic field also play a key role.
Posted inEditors' Vox
Halocarbons: What Are They and Why Are They Important?
CFCs and other halocarbons have long been known for causing an ozone hole over the Antarctic, but many of them are also powerful greenhouse gases.