Tag: Joint Program on the Science and Policy of Global Change

Accelerated climate action needed to sharply reduce current risks to life and life-support systems

Hottest day on record. Hottest month on record. Extreme marine heatwaves. Record-low Antarctic sea-ice. While El Niño is a short-term factor in this year’s record-breaking heat, human-caused climate change is the long-term driver. And as global warming edges closer to 1.5 degrees Celsius — the aspirational upper limit set in the Paris Agreement in 2015 […]

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Steven Barrett named head of the Department of Aeronautics and Astronautics

Steven Barrett, the H.N. Slater Professor of Aeronautics and Astronautics, has been named the new head of the Department of Aeronautics and Astronautics (AeroAstro), effective Nov. 1. “Professor Barrett is incredibly well-suited to serve as leader of the Department of Aeronautics and Astronautics. Having served as associate department head since 2021 and interim department head […]

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Improving US air quality, equitably

Decarbonization of national economies will be key to achieving global net-zero emissions by 2050, a major stepping stone to the Paris Agreement’s long-term goal of keeping global warming well below 2 degrees Celsius (and ideally 1.5 C), and thereby averting the worst consequences of climate change. Toward that end, the United States has pledged to […]

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Explained: The 1.5 C climate benchmark

The summer of 2023 has been a season of weather extremes. In June, uncontrolled wildfires ripped through parts of Canada, sending smoke into the U.S. and setting off air quality alerts in dozens of downwind states. In July, the world set the hottest global temperature on record, which it held for three days in a […]

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