In the News
- Skin cancer is the most common form of cancer in the United States, taking thousands of lives every year. By the age of 70, one in five Americans will develop skin cancer. Now NASA is helping public health officials track the primary cause of the disease: overexposure to ultraviolet radiation.
- By measuring solar radiation reflected from Earth’s surface and scattered by its atmosphere, the OMI team derives important information about aerosols such as dust and smoke and pollutants like nitrogen and sulfur dioxide.
- The Ozone Monitoring Instrument (OMI) international team received the Pecora Award for its “sustained team innovation and international collaboration to produce daily global satellite data that revolutionized air quality, stratospheric chemistry, and climate research.”
- New Documentary Tells the Remarkable Story of How Scientists Discovered the Deadly Hole in the Ozone – and the Even More Remarkable Story of How the World’s Leaders Came Together to Fix It
- NASA ended the Tropospheric Emission Spectrometer's (TES) almost 14-year career of discovery. TES was the first instrument designed to monitor ozone in the lowest layers of the atmosphere directly from space. Its high-resolution observations led to new measurements of atmospheric gases that have altered our understanding of the Earth system.
- For the first time, scientists have shown through direct satellite observations of the ozone hole that levels of ozone-destroying chlorine are declining, resulting in less ozone depletion.
- A new NASA-led study has solved a puzzle involving the recent rise in atmospheric methane, a potent greenhouse gas, with a new calculation of emissions from global fires. The new study resolves what looked like irreconcilable differences in explanations for the increase.
- New NASA-funded research has devised a way to use satellite measurements of the precursor gases that contribute to ozone formation to differentiate among three different sets of conditions that lead to its production.
- Measurements from satellites this year showed the hole in Earth's ozone layer that forms over Antarctica each September was the smallest observed since 1988, scientists from NASA and NOAA announced.
- NASA Earth Observatory's Image: The map shows a regional picture of sulfur dioxide emissions as detected by the Ozone Monitoring Instrument (OMI) on NASA's Aura spacecraft.
- Using a new satellite-based method, scientists at NASA, Environment and Climate Change Canada, and two universities have located 39 unreported and major human-made sources of toxic sulfur dioxide emissions.
- Flaring of waste natural gas from industrial oil fields in the Northern Hemisphere is a potential source of significant amounts of nitrogen dioxide and black carbon to the Arctic, according to a new NASA study, which features OMI Nitrogen dioxide data.
- Kevin Bowman of NASA, discusses the health and environmental impacts of China's high smog levels will have on the US West Coast.
- Dr. Paul Newman is the chief scientist for atmospheric sciences at NASA Goddard. In this talk he discusses how chlorofluorocarbons were destroying the ozone layer, what policy-makers did about it, and what challenges the ozone layer faces today.
- Dr. Bryan N. Duncan is a deputy project scientist for the Aura Mission at NASA Goddard. In this talk he tells the story of air quality in three cities- Beijing, Los Angeles, and Atlanta.
- Worldwide action to phase out ozone-depleting substances has resulted in remarkable success, according to a new assessment by 300 international scientists. The stratospheric ozone layer, a fragile shield of gas that protects Earth from harmful ultraviolet light, is on track to recovery over the next few decades.
(BBC News) 09.10.2014
- The ozone layer that shields the earth from cancer-causing ultraviolet rays is showing early signs of thickening after years of depletion, a UN study says.
- During the first half of the twentieth century, coal burning at power plants, factories, and homes filled the air over the Midwestern U.S. with pollution...
- The Aura Mission Celebrates it's TENTH year since launch!
- Newly released maps reveal that U.S. air quality has markedly improved over the last decade.
- While some forests emit volatile organic compounds that are involved in ozone pollution, history shows attempts to control smog have a better chance of succeeding by focusing on vehicle emissions.
- NASA's Aura satellite, celebrating its 10th anniversary this year on July 15, has provided vital data about the cause, concentrations and impact of major air pollutants.
On the 10th anniversary of the launch of NASA's Aura spacecraft, we offer 10 examples of how the satellite has changed our view of dust, pollution, aerosols, and ozone in our atmosphere.
- Aura's Ozone Monitoring Instrument (OMI) images show that the effects of federal and state efforts have left the air far cleaner than it was a decade prior.
- Though Earth's ozone layer has been depleted over the past four decades by chlorofluorocarbons (CFCs) and similar chemical compounds, the changes are expressed differently at the North and South Pole
- After ten years in orbit, the Ozone Monitoring Instrument (OMI) on NASA's Aura satellite has been in orbit sufficiently long to show that people in major U.S. cities are breathing less nitrogen dioxide - a yellow-brown gas that can cause respiratory problems.
- When faced with a complex problem, Aura project scientist and co-lead for the Chemistry Climate Model Anne Douglass instructs herself to think like a scientist.
- New NASA research on natural ozone cycles suggests ozone levels in the lowest part of Earth's atmosphere probably won't be affected much by projected future strengthening of the circulating winds that transport ozone between Earth's two lowest atmospheric layers.
- Power plant emissions of sulfur dioxide -- an atmospheric pollutant with both health and climate impacts -- have increased across India in recent years, according to a new analysis of data from a NASA satellite.
- Anne Douglass is the project scientist for Aura, one of NASA's Earth Observing System's flagship missions.
- Aura's Ozone Monitoring Instrument (OMI) instrument show long tracks of elevated nitrogen dioxide (NO2) levels along certain shipping routes.
- Cold winter weather and burgeoning industrial economies have made for difficult breathing in Asia and the Middle East this January.
- A new NASA-led study finds that when it comes to combating global warming caused by emissions of ozone-forming chemicals, location matters.
- Aura's Education and Public Outreach lead, Ginger Butcher, exhibited the new "Engineer a Satellite" activity in Washington, DC for the 2012 Earth Day event on the National Mall and the US Science and Engineering Festival.
- NASA scientists lead forums at Howard Community College
- A team of scientists have used the Ozone Monitoring Instrument (OMI) on NASA's Aura satellite to confirm major reductions in the levels of a key air pollutant generated by coal power plants in the eastern United States. The pollutant, sulfur dioxide, contributes to the formation of acid rain and can cause serious health problems.
- In March 2011, the Earth Observatory published images of a rare, deep depletion in the ozone layer over the Arctic. The images came from daily observations made by Aura's OMI instrument.
- A NASA-led study has documented an unprecedented depletion of Earth's protective ozone layer above the Arctic last winter and spring caused by an unusually prolonged period of extremely low temperatures in the stratosphere.
- Fires throughout Ontario are generating pollution that is showing up in data from NASA's Aura Satellite in the Great Lakes region.
- Fires raging in central Africa are generating a high amount of pollution that is showing up in data from NASA's Aura Satellite, with the ominous shape of a dark red butterfly in the skies over southern part of the Democratic Republic of the Congo and northern Angola.
- In its early, violent days, the eruption at the Puyehue-Cordón Caulle volcanic complex sent clouds of ash high into the atmosphere.
- NASA's Aura Satellite has provided a view of nitrogen dioxide levels coming from the fires in New Mexico and Arizona.
- Recent pollution levels from the fires in Canada's Northwest Territories do not appear to be as high as they were at the end of June as the fires have come under more control since then.
- Scientists have a good reason to track noctilucent or polar mesospheric clouds: they are a pretty good gauge of even the tiniest changes in the atmosphere. These "night-shining clouds" as they are sometimes called, are thin, wavy ice clouds that form at very high altitudes and reflect sunlight long after the Sun has dropped below the horizon.
- On July 6 this summer, Virginia's Department of Environmental Quality issued the region's first "unhealthy" air alert since 2008.
- Last month when ash from a volcanic eruption in Iceland shut down air traffic over much of Europe, an international network of centers dedicated to this aviation hazard sprang into action.
- The annual ozone hole has started developing over the South Pole, and it appears that it will be comparable to ozone depletions over the past decade.
- Sea ice at the other end of the world has been making headlines in recent years for retreating at a breakneck pace. Satellite measurements show that, on average, Arctic sea ice has decreased by four percent per decade.
- Aura has fulfilled its requirement for a 5 year lifetime and continues to provide high quality science.
- Prior to widespread human settlement and forest clearing, there was no such thing as a fire season in the Amazon Rainforest.
- The U.S. soybean crop is suffering nearly $2 billion in damage a year due to rising surface ozone concentrations harming plants and reducing the crop's yield potential, a NASA-led study has concluded.
- Chinese government regulators had clearer skies and easier breathing in mind in the summer of 2008 when they temporarily shuttered some factories and banished many cars in a pre-Olympic sprint to clean up Beijing's air.
- The Antarctic ozone hole reached its annual maximum on Sept. 12, 2008, stretching over 27 million square kilometers, or 10.5 million square miles. The area of the ozone hole is calculated as an average of the daily areas for Sept. 21-30 from observations from the Ozone Monitoring Instrument (OMI) on NASA's Aura satellite.
- In late April 2008, Kilauea Volcano Volcano on Hawaii's big island continued its pattern of increased activity, including elevated seismic tremors and emissions from the volcano's Halema'uma'u vent.
- Weather broadcasts have long been a staple for people planning their day. Now with the help of NASA satellites, researchers are working to broaden daily forecasts to include predictions of air quality, a feat that is becoming reality in some parts of the world.
- The Aura spacecraft currently flies about 15.22 minutes behind Aqua in the A-Train. The Aura Project is proposing to move Aura spacecraft closer to Aqua. Aura would follow Aqua by about 8 minutes along the same track after the move.
- NASA scientists will join researchers from around the world to celebrate the 20th anniversary of the Montreal Protocol, an international treaty designed to reduce the hole in Earth's protective ozone layer.
- For the first time, NASA scientists have used a shrewd spaceborne detective to track the origin and movement of water vapor throughout Earth's atmosphere. This perspective is vital to improve the understanding of Earth's water cycle and its role in weather and climate.
- Pinpointing pollutant sources is an important part of the ongoing battle to improve air quality and to understand its impact on climate. Scientists using NASA data recently tracked the path and distribution of aerosols -- tiny particles suspended in the air -- to link their region of origin and source type with their tendencies to warm or cool the atmosphere.
- Two new NASA-funded studies of ozone in the tropics using NASA satellite data not previously available are giving scientists a fuller understanding of the processes driving ozone chemistry and its impacts on pollution and climate change.
- NASA and National Oceanic and Atmospheric Administration (NOAA) scientists report this year's ozone hole in the polar region of the Southern Hemisphere has broken records for area and depth.
A NASA and university study of ozone and carbon monoxide pollution in Earth's atmosphere is providing unique insights into the sources of these pollutants and how they are transported around the world.
- Scientists analyzed 25 years of independent ozone observations at different altitudes in Earth's stratosphere.
- Summer in the city can often mean sweltering "bad air days" that threaten the health of the elderly, children and those with respiratory problems. This summer the nation's capitol has been no stranger to such severe air-quality alerts.
06.29.2006 - The Antarctic ozone hole's recovery is running late. According to a new NASA study, the full return of the protective ozone over the South Pole will take nearly 20 years longer than scientists previously expected.
- Since launching in July 2004, Aura has been retrieving information and producing valueable data of the Earth and its atmospheric properties. View the selected top ten discoveries that Aura's instruments have brought us so far.
- Thunderstorms over Tibet provide a main pathway for water vapor and chemicals to travel from the lower atmosphere, where human activity directly affects atmospheric composition, into the stratosphere.
- Sulfur dioxide (SO2) emissions from the eruption were measured by the Ozone Monitoring Instrument (OMI) on NASA's EOS/Aura satellite from the Anatahan (Mariana Islands)
4.13.2005 - Aura's Ozone Monitoring Instrument (OMI) provided data for the color-coded images which focus only on aerosols (particles in the atmosphere) from the damage of fires in Alaska.
- Scientists head north to learn about air quality, ozone, and climate change predictions.
- The Ozone Monitoring Instrument (OMI) recorded the Manam volcano eruption on NASA's new Aura satellite.
- The instruments onboard Aura will help scientists monitor pollution production and transport around the world.
- Satellite offers unprecedented precision.
- We share the air we breathe not only with other people but also with the rest of our environment .
- Forty K-12 educators from the United States and France participated in an 11-day NASA-sponsored workshop this past summer aimed at bringing real-life science experiences into the classroom.
- The safety measures taken during the launch of Aura are characteristic of NASA's commitment to safety and mission assurance.
- Aura, a mission dedicated to the health of the Earth's atmosphere, successfully launched today at 6:01:59 a.m. EDT.
07.14.2004 - The next launch attempt will be on Thursday morning, July 15, during a three-minute launch window that opens at 6:01:59 a.m. EDT.
- The launch of NASA's Aura spacecraft has been postponed by at least 24 hours to Sunday, July 11 at 6:01:57 a.m. EDT.
- John Gille: Searching for Patterns in the Clouds, Anne Douglass: Making the World Safe for Blondes, Peter Siegel: Studying the Energy of the Universe
06.29.2004 - A next-generation Earth-observing satellite is scheduled for liftoff on Saturday, July 10 at approximately 6:01:57 a.m. EDT.
- The same gas -- ozone -- that is the main factor in bad air also protects us from the Sun's harmful effects.
- Interviews with Andrea Razzaghi and Pieternel Levelt.
- A mission to understand and protect the air we breathe.
- The story of a molecule and the spacecraft designed to help us understand it.
- On June 19, the launch of Aura satellite will help scientists understand how atmospheric composition affect the Earth.
- Temperature, humidity, winds and the presence of other chemicals in the atmosphere influence ozone formation, and the presence of ozone, in turn, affects those atmospheric constituents.
- Researchers will brief the press and discuss science goals of the mission at 4 p.m. EDT, May 17 in Montreal.
- Six schools in the Czech Republic received awards recently for their collection of ozone data as part of a GLOBE project
- GLOBE is an international organization of students and teachers who collect and share data about the health of the environment.