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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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Hottest Month on Record July 2019

event
Climate science at a glance Human activities, principally the burning of fossil fuels and deforestation, are causing the global average temperature to increase at a dangerous rate, unprecedented in human history.

European Heat Wave July 2019

event
Climate science at a glance The extreme heat events observed during the summer of 2018 in the Northern Hemisphere found that it is "would not have occurred without human-induced climate change.”[1] Extreme h

Boston Has Become New York

headline
The temperature in Washington has topped 90 degrees for 12 straight days. While I was sitting inside during one of those days trying to avoid the heat, I spent some time making a chart. You can see it above.
David Leonhardt
07/23/2019

U.S. Soldiers Falling Ill, Dying in the Heat as Climate Warms

headline
Cline was one of at least 17 service members to die of heat exposure during training exercises at U.S. military bases since 2008.
07/23/2019

Alaska salmon stream hits high temperature during heat wave

headline
 The science director for Cook Inletkeeper, a nonprofit organization that monitors the health of Cook Inlet, wrote a paper two years ago on what salmon streams might be like in the future with climate change.
07/21/2019

Alaska salmon stream hits high temperature during heat wave

headline
 The science director for Cook Inletkeeper, a nonprofit organization that monitors the health of Cook Inlet, wrote a paper two years ago on what salmon streams might be like in the future with climate change.
07/21/2019

PREPARE TO BAKE: Temperatures Expected To Soar To Dangerous Levels In Midwest, East Coast

headline
The heat wave that has been roasting much of the U.S. in recent days is just getting warmed up, with temperatures expected to soar to dangerous levels through the weekend.
07/18/2019

Midwest and Eastern Heat Wave July 2019

event
Climate science at a glance The fingerprint of global warming has been firmly identified in the increasing intensity, duration and frequency of extreme heat events in the United States.[1]

California’s Wildfires Are 500 Percent Larger Due to Climate Change

headline
On a hot July evening last year, a rancher tried to use a hammer and stake to plug a wasp’s nest.
Robinson Meyer
07/16/2019

High temperatures smash all-time records in Alaska in early July 2019

headline
Starting on the Fourth of July and lasting multiple days, temperatures across Alaska were 20 to 30 degrees above average in some locations.  On July 4, all-time high temperature records were set in Kenai, Palmer, King Salmon, and Anchorage International Airport.  The airport reached an
Tom Di Liberto
07/16/2019
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