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Learn how long-term climate trends are linked to new extremes.
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Drought
Climate change is making droughts more likely to occur - and more severe when they do.
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Fires
Climate change is increasing the size, frequency, and intensity of wildfires.
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Earth Systems
Global warming is causing widespread and rapid changes in the atmosphere, ocean, cryosphere and biosphere.
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What is Climate Signals?
Climate Signals curates attribution science and provides resources in real time explaining how climate change worsens extreme weather and other impacts.
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Floods
Climate change is increasing the risk of flooding due to a variety of reasons including rising sea levels and increasing extreme precipitation events.
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Heat
Climate change makes heat waves hotter, longer, and more common.
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Hurricanes
Rising air and ocean temperatures due to climate change are increasing hurricane precipitation, intensity, and the risk of coastal flooding.
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Events
A database of events and their links to climate change.
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Headlines
Climate change impact stories in the news.
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Real Time Data
A searchable gallery of climate change monitors relaying real-time data.
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Science Sources
A searchable database of climate science reports.
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Attribution
What is climate attribution?
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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Attribution science database
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

Monthly Snow Coverage

Rutgers University Global Snow Lab

The Rutgers University Global Snow Lab has daily, weekly and monthly data for snow extent as well as data for the monthly departure from average.

The lab also has seasonal snow extent data dating back to 1967 for the winter spring and fall in the Northern Hemisphere, Eurasia, and North American regions.

Related Content

Science Source
Apr 27, 2012 | Geophysical Research Letters
Observations reveal external driver for Arctic sea‐ice retreat
Dirk Notz, Jochem Marotzke
Science Source
Oct 30, 2008 | Nature Geoscience
Attribution of polar warming to human influence
Nathan P. Gillett, Dáithí A. Stone, Peter A. Stott et al
Science Source
Jan 12, 2017 | Bulletin of the American Meteorological Society
EEE 2015: Record Low Northern Hemisphere Sea Ice Extent in March 2015
Neven S. Fučkar, François Massonnet, Virginie Guemas et al
Headline
Nov 27, 2017 | CBC News
Arctic climate change being felt farther south, scientists say
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