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What you need to know this Earth Day

Here are five new facts about climate change.

April 22, 2019

In honor of Earth Day 2019, USA Today has compiled a list of five facts about how climate change is affecting the Earth. Here they are:

Hottest on record. Based on five separate data sets that keep track of the Earth's climate, the global average temperature for the first 10 months of 2018 was about 1.8 degrees above what it was in the late 1800s. 

Carbon dioxide up 46%. Carbon dioxide is the most prevalent among all greenhouse gases produced by human activities, attributed to the burning of fossil fuels. The atmospheric carbon dioxide level for March was 411.97 parts per million and continue to rise. 

Rising seas. A study published this month in the journal Nature found that the world's oceans have risen about an inch in the past 50 years due to melting glaciers alone. 

Killing Americans, costing billions. Extreme weather events exacerbated in part by climate change killed almost 250 Americans and cost the nation at least $91 billion in 2018, according to the National Oceanic and Atmospheric Administration.

New York City with Arkansas’ weather. The same Nature study found that on average, the future climate will resemble the one experienced by an area 528 miles to the south today. That means that by 2080, New York City could have the climate of Arkansas. 

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