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Climate change attribution tells us how much of the credit or risk for a trend or event should go to human-caused climate change.
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Report: Fingerprints Everywhere 2018
Studies since the 1990s show human-caused climate change directly influenced many recent trends and events.
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An updating database of studies that find the fingerprint of human-caused climate change on observed trends and events.
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Climate Change Impacts Explained in Real Time

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The U.S. set a new record for powerful wind gusts, with 55 in one day

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Climate Signals summary: A historic severe thunderstorm damaging wind event, know as a derecho, swept across the country Wednesday fueled, in part, by unusually warm temperatures.
Bill Chappell
12/16/2021

'Obviously Extraordinary, Unprecedented' Storm Rips Across Central US

headline
Media outlets made full use of the thesaurus to describe the unprecedented storm system, known as a derecho, that swept across large swaths of the country Wednesday night.
12/17/2021

Climate change: How the crisis is affecting tornadoes

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Climate Signals summary: Evidence is mounting that human-caused climate change is causing atmospheric conditions to be present more often that increase the risk of tornado outbreaks occurr
Rachel Ramirez
12/13/2021

Historic wind storm slams central U.S., unleashes rare December tornadoes

headline
Climate Signals summary: The second December widespread severe weather event in less than a week, swept from the Rockies to the Midwest fueled, in part, by warm temperatures made worse by human-caused climate change<
Jason Samenow, Ian Livingston, Jeff Halverson
12/15/2021

Arctic Report Card Says We Are Failing The Arctic

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The Siberian town of Verkhoyansk hit temperatures above 100°F on June 20, 2020, breaking the record for the highest Arctic temperature on record the World Meteorological Organization has confirmed.
12/15/2021

Midwestern and Southeastern Tornado Outbreak December 2021

event
Climate science at a glance There’s increasing evidence linking global warming to changes in the type of severe weather that gives rise to tornadoes. While the direct impact of climate change on tornadoes is not well established, we know that thunderstorms and tornadoes

2021's weather disasters brought home the reality of climate change

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Climate Signals summary: 2021 was another reminder of the impact of human-caused climate change as it fueled record-breaking floods, heat wav
Sarah Gibbens
12/06/2021

Winter heatwave breaks records in four US states

headline
Climate Signals summary: Human-caused climate change is making the warm season last longer, fueling unseasonable warmth in December a
Oliver Milman
12/03/2021

2021 Wildfires Broke CO2 Emissions Record

headline
Wildfires, supercharged by climate change, produced a record amount of planet-warming CO2 in 2021, European scientists reported Monday.
12/07/2021

Weird, Wild Weather Across US

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As parts of Hawaii brace for a foot of snow, and 
12/06/2021
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