Helium balloons offer low-cost flights to the stratosphere
Using off-the-shelf technology and innovative economics, lightweight helium balloons have started carrying remote-controlled laboratories to the edge of space and back, offering the business case for...
View ArticleCalifornia named state with the worst air quality (again)
High ozone levels and a quickly growing population are making it tough to implement regulations to reduce pollution, says a Cal State LA professor.
View ArticleOzone recovery may be delayed by unregulated chemicals
Recent increases in an unregulated ozone-depleting substance, could delay recovery of Antarctic ozone levels by 5-30 years, depending on emissions scenarios.
View ArticleScientists converge to study ozone, an atmospheric mystery near Lake Michigan
For several years, air quality managers have identified elevated levels of ozone in the Sheboygan, Wisconsin, area. It remains an atmospheric mystery since high levels of ozone are usually associated...
View ArticleCampaigning on climate science consensus may backfire, warn scholars
Climate change campaigns that focus on correcting public beliefs about scientific consensus are likely to backfire and undermine policy efforts, according to an expert commentary published today in...
View ArticleNASA instrument key to understanding solar powered planet arrives at Kennedy...
A new instrument that will monitor our planet's biggest power source, the Sun, arrived at NASA's Kennedy Space Center in Florida. It has a targeted November 2017 launch on a SpaceX Falcon 9 rocket to...
View ArticleStudy finds that choice of cool roofing materials can potentially impact...
In a groundbreaking study released today, scientists at the South Coast Air Quality Management District and the University of Southern California have found that widespread installation of certain...
View ArticleThree-degree rise in temperature will cancel out European emission reduction...
As a debilitating heatwave, nicknamed 'Lucifer' by the press, currently engulfs southern Europe, a new study part-supported by two EU-funded projects has warned that a rise in global temperatures of...
View ArticleOzone treaty taking a bite out of US greenhouse gas emissions
The Montreal Protocol, the international treaty adopted to restore Earth's protective ozone layer in 1989, has significantly reduced emissions of ozone-depleting chemicals from the United States. In a...
View ArticleHow future volcanic eruptions will impact Earth's ozone layer
The next major volcanic eruption could kick-start chemical reactions that would seriously damage the planet's already besieged ozone layer.
View ArticleOne million premature deaths linked to ozone air pollution
Scientists at the University of York's Stockholm Environment Institute (SEI) have released new figures showing long-term exposure to ozone air pollution is linked to one million premature deaths per...
View ArticleOzone limits at play as EPA, industry and environmental groups weigh in
After the Environmental Protection Agency initially announced a delay in enforcing stricter ozone limits, the agency now plans to meet the original October deadline for implementing the new standards....
View ArticleFirst measurements of iodine in the Arctic reveal questions about air pollution
New measurements of molecular iodine in the Arctic show that even a tiny amount of the element can deplete ozone in the lower atmosphere.
View Article30 years of healing the ozone layer
This week marks the 30th anniversary of the signing of the Montreal Protocol on Substances that Deplete the Ozone Layer. The signing of the Montreal Protocol was a landmark political event. The treaty...
View ArticleFrom sea to rising sea—climate change in America
So the climate is getting warmer. Who cares?
View ArticleCanada climate minister pushes for Paris accord progress
Canada's environment minister urged governments to move forward on the Paris climate accord Friday, speaking on the eve of talks over the agreement's implementation.
View ArticleGlobal airborne mission to make ozone hole detour
Atmospheric researchers depart this month on NASA's DC-8 research aircraft on their third survey of the global atmosphere. Taking place for the first time in Northern Hemisphere fall, the season gives...
View ArticleEurope set to launch atmosphere-probing satellite
Europe is set to launch a satellite Friday dedicated to monitoring Earth's atmosphere, the protective layer that shields the planet from the sun's radiation, the European Space Agency said.
View ArticleStudy reveals new threat to the ozone layer
"Ozone depletion is a well-known phenomenon and, thanks to the success of the Montreal Protocol, is widely perceived as a problem solved," says University of East Anglia's David Oram. But an...
View ArticleHow has air quality been affected by the US fracking boom?
Urban air pollution in the U.S. has been decreasing near continuously since the 1970s.
View ArticleHydrofluorocarbons saved the ozone layer, so why are we banning them?
On October 28, Australia ratified the Kigali Amendment to the Montreal Protocol. Australia is the tenth country to ratify, joining others as diverse as Mali, the United Kingdom and Rwanda in a global...
View ArticleWarm air helped make 2017 ozone hole smallest since 1988
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 today.
View ArticleOil and gas emissions a major contributor to bad ozone days
On certain days in 2014, oil and gas emissions made a big contribution to high summertime ozone levels in northeastern Colorado, according a new study led by CIRES and NOAA researchers. High...
View ArticleNASA satellite tracks ozone pollution by monitoring its key ingredients
Ozone pollution near Earth's surface is one of the main ingredients of summertime smog. It is also not directly measurable from space due to the abundance of ozone higher in the atmosphere, which...
View ArticleResearchers observe positive trend in global ozone recovery
Climate scientists studying three decades of ozone measurements from seven satellites see a positive trend in global recovery thanks to international efforts to curb ozone-depleting substances.
View ArticleNASA's TSIS-1 keeps an eye on sun's power over ozone
High in the atmosphere, above weather systems, is a layer of ozone gas. Ozone is Earth's natural sunscreen, absorbing the sun's most harmful ultraviolet radiation and protecting living things below....
View ArticleTraces of life on nearest exoplanets may be hidden in equatorial trap
New simulations show that the search for life on other planets may well be more difficult than previously assumed, in research published today in the journal Monthly Notices of the Royal Astronomical...
View ArticleResearchers share perspective on key elements of ozone layer recovery
Each year, ozone-depleting compounds in the upper atmosphere destroy the protective ozone layer, and in particular above Antarctica. The ozone layer acts as Earth's sunscreen by absorbing harmful...
View ArticleFirst direct proof of ozone hole recovery due to chemicals ban
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.
View ArticleSmoke from wildfires can tip air quality to unhealthy levels
Smoke plumes emanating from wildfires are swept high up into the air and spread over thousands of kilometers even days after a fire has been put out. The fine particles and harmful ozone contained in...
View Article
