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OCO-3 News Articles



May 26, 2015
Carbon Dioxide Levels Topped 400 PPM Throughout Northern Hemisphere In April, WMO Says
GENEVA, May 26 (Reuters) - Carbon dioxide levels throughout the northern hemisphere hit 400 parts per million (ppm) for the first time in human history in April, an ominous threshold for climate change, the World Meteorological Organization said on Monday >

May 8, 2015
Global Carbon Dioxide Levels Reach Milestone
NPR's Melissa Block speaks with Pieter Tans of the National Oceanic and Atmospheric Administration's Earth System Research Laboratory about greenhouse gas emissions surpassing 400 parts per million. >

May 6, 2015
First time in 800,000 years: April's CO2 levels above 400 ppm
Less than a year after scientists first warned that the amount of carbon dioxide in the atmosphere could rise above 400 parts per million and stay there, it has finally happened. >

April 29, 2015
April Becomes 1st Month With CO2 Levels Above 400 PPM
The end of April has arrived, and with it, the record for the first month in human history with an average carbon dioxide level in Earth’s atmosphere above 400 parts per million has been set. >

April 15, 2015
Increased atmospheric carbon dioxide limits soil storage
Soil carbon may not be as stable as previously thought, scientists report, adding that soil microbes exert more direct control on carbon buildup than global climate models represent. >

March 23, 2015
The Not So Brief History of Climate Change Science
It’s 2015, and climate change is one of the biggest challenges of our time. But while it may seem like all of this fuss over global warming is a recent phenomenon, concern over the role of atmospheric carbon dioxide in our planet’s climate has a long hist >

March 18, 2015
Amazon Absorbs Less Carbon Dioxide as Trees Die Off, Study Says
The Amazon rain forest has long absorbed more carbon than it releases and acted as a vital brake on climate change. An extensive study now suggests that it is losing its ability to suck up the excess carbon dioxide being emitted into the atmosphere by hum >

March 15, 2015
Emissions by Makers of Energy Level Off
Somebody tapped the brakes. Carbon dioxide emissions from the world’s energy producers stalled in 2014, the first time in 40 years of measurement that the level did not increase during a period of economic expansion, according to preliminary estimates... >

March 10, 2015
Hidden greenhouse emissions revealed in new report
Restoration of wetlands can reduce greenhouse gas emissions. This is shown in a report that has been written in part by researchers from the University of Gothenburg. >

March 8, 2015
February carbon dioxide levels average 400ppm for first time
The US government’s greenhouse gas monitoring site at Mauna Loa in Hawaii has confirmed that its average recorded carbon dioxide levels for February topped 400 parts per million (ppm) - the first time that this has been seen in a northern winter month. >

Feb. 25, 2015
Scientists witness carbon dioxide trapping heat in air
WASHINGTON (AP) - Scientists have witnessed carbon dioxide trapping heat in the atmosphere above the United States, chronicling human-made climate change in action, live in the wild. >

Jan. 19, 2015
Study: Melting glaciers have big carbon impact
As the Earth warms and glaciers all over the world begin to melt, researchers and public policy experts have focused largely on how all of that extra water will contribute to sea level rise. >

Jan. 13, 2015
NASA Mountaintop Sensor Finds High Methane over LA
A NASA study using two years of observations from a novel mountaintop instrument finds that Los Angeles' annual emissions of methane, an important greenhouse gas, are 18 to 61 percent higher than widely used estimates. >

Jan. 12, 2015
2015 Begins With CO2 Above 400 PPM Mark
The new year has only just begun, but we’ve already recorded our first days with average carbon dioxide levels above 400 parts per million, potentially leading to many months in a row above this threshold, experts say. >

Dec. 29, 2014
NASA Finds Good News on Forests and Carbon Dioxide
A new NASA-led study shows that tropical forests may be absorbing far more carbon dioxide than many scientists thought, in response to rising atmospheric levels of the greenhouse gas. >

Dec. 18, 2014
NASA's Spaceborne Carbon Counter Maps New Details
The first global maps of atmospheric carbon dioxide from NASA's new Orbiting Carbon Observatory-2 mission demonstrate its performance and promise, showing elevated carbon dioxide concentrations across the Southern Hemisphere from springtime biomass burnin >

Nov. 18, 2014
Watch Carbon Pollution Spread Across the Planet
A striking new video from NASA reveals how the greenhouse gas carbon dioxide spreads across Earth in a single year. >

Nov. 12, 2014
NASA: Alaska Shows No Signs of Rising Arctic Methane
Despite large temperature increases in Alaska in recent decades, a new analysis of NASA airborne data finds that methane is not being released from Alaskan soils into the atmosphere at unusually high rates, as recent modeling and experimental studies have >

Oct. 2, 2014
NASA's Orbiting Carbon Observatory-2 Instrument Completes Checkout - 09.30.2014
NASA's Orbiting Carbon Observatory-2 (OCO-2) will soon complete its first 90 days of operations in space. The spacecraft meets or exceeds all functional and performance specifications, and all planned instrument checkout activities have been completed. Th >

Sept. 27, 2014
Dr. David Crisp speaks to Canadian Broadcasting Corporation
Hear the Radio Interview with Dr. David Crips! A new NASA satellite will monitor regional carbon dioxide sources and sinks. >


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