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Latest News

Posted
Sep 10, 2014
Oceans, Observations, International, Ecosystems & Biodiversity, Carbon Cycle

Greenhouse Gases Reach Record Levels

Greenhouse gases reach record levels
According to the UN’s World Meteorological Organization (WMO), a surge in carbon dioxide levels drove the amount of greenhouse gases in the atmosphere to a record high in 2013. Greenhouse gas levels rose more between 2012 and 2013 than at any time in the last 30 years.
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Posted
Aug 21, 2014
Physical Climate, Observations, Modeling, Mitigation, Carbon Cycle

Ozone-Depleting Chemical Persists in Atmosphere, Source Unknown

NASA image of the ozone hole over Antarctica
New NASA research shows that Earth's atmosphere contains an unexpectedly large amount of carbon tetrachloride (CC14), an ozone -depleting chemical that was banned worldwide decades ago. According to the study, global emissions of CCl4 average 39 kilotons per year—approximately 30 percent of peak emissions prior to its banning.
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Posted
Jun 25, 2014
Physical Climate, Observations, Human Health, Extreme Events

Last Month Was Earth's Hottest May on Record

Sun setting over power lines
Both NASA and NOAA have ranked May 2014 as the planet’s hottest May since records began in 1880. ​UPDATE: Since this article was published, June 2014, August 2014, September 2014, and October 2014 have also set records for monthly average temperatures.
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Posted
May 29, 2014
Oceans, Physical Climate, Observations, Ecosystems & Biodiversity, Education, Indicators, Human Health

Indicators Confirm: Climate Change is Here & Now

The EPA climate indicators report finds that lake ice in the northern U.S. is freezing later and thawing earlier
A new EPA report presents a set of 30 indicators that track the causes and effects of climate change . Written for general audiences, the report aims to help readers understand long-term climate-related trends observed across the atmosphere, oceans, snow and ice, ecosystems, and public health.
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