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Search resuls for: "Ozone"


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☆ California and other Western states lead in unhealthy levels of air pollution, report shows
  + stars: | 2023-04-19 | by ( Emma Newburger | ) www.cnbc.com   time to read: +4 min
The "State of the Air" report found that nearly 120 million people, more than a third of the population, lived in areas with unhealthy levels of air pollution between 2019 and 2021. The report assigned letter grades reflecting the number of days that air quality in a specific area reached unhealthy levels on the Air Quality Index. Exposure to unhealthy levels of ozone air pollution makes breathing difficult for more people across the U.S. than any other single pollutant, the report said. Wildfires in the region were a major factor in the increasing number of days and places with unhealthy levels of particle pollution, the report found. The report used data from air-quality monitors managed by state, local and tribal air pollution control authorities in counties across the country.
☆ Does bottled water go bad? When it's safe to drink expired water and what to do with a contaminated bottle
  + stars: | 2023-03-23 | by ( Emily Swaim | ) www.businessinsider.com   time to read: +7 min
Bottled water can have an expiration date, though it's legal in the US to sell expired water. Drinking expired water probably won't harm you, especially if the water was stored properly. So while an expired water bottle from the fridge may be safe to drink, the bottle you forgot in your hot car trunk or on a sunny shelf probably isn't. What to do with an expired water bottleIf you suspect your water is bad, boil it to kill off any potential pathogens. Oliver Rossi / Getty ImagesIf you're a frugal or environmentally-conscious person, you may wonder how to salvage your expired bottled water.
☆ This booming industry could stand in the way of the ozone healing
  + stars: | 2023-03-10 | by ( ) edition.cnn.com   time to read: 1 min
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☆ Where New York’s Asian Neighborhoods Shifted to the Right
  + stars: | 2023-03-05 | by ( Jason Kao | ) www.nytimes.com   time to read: +15 min
In last year’s governor’s election, voters in Asian neighborhoods across New York City sharply increased their support for Republicans. And predominantly Asian areas — precincts with a majority of eligible Asian voters — have undergone a pivotal shift. Detail area Detail area Detail area Detail area Detail area Detail area Note: The precinct in Kensington is mostly Indian and Bangladeshi. Detail area Detail area Detail area Detail area Detail area Detail area Flushing, 2022 Murray Hill Bayside Flushing Northern Blvd. Detail area Detail area Detail area Detail area Detail area Detail area state senate race Bensonhurst Sunset Park McDonald Ave. 65th St. New Utrecht Ave. 8th Ave.
☆ The world is on track to overshoot 1.5 degrees of warming, so it's time to study reflecting sun away from the Earth, UN says
  + stars: | 2023-02-27 | by ( Catherine Clifford | In Catclifford | ) www.cnbc.com   time to read: +5 min
With the world not responding to climate change urgently enough, a "speculative group of technologies" to reflect sunlight back away from the Earth have been getting more attention recently, UNEP said in a written statement accompanying the report. This category of technologies is often called solar radiation modification (SRM) or more broadly solar geoengineering. So solar geoengineering could be considered a one-time shot to mitigate extreme suffering and death caused by climate change. "Even as a temporary response option, large-scale SRM deployment is fraught with scientific uncertainties and ethical issues. In addition to needing rigorous scientific study, the report added there needs to be a globally coordinated governance strategy for any potential use of solar-geoengineering technology.
☆ After Mexican government cracked down on solar geoengineering, startup lets off balloons in Nevada
  + stars: | 2023-02-22 | by ( Catherine Clifford | In Catclifford | ) www.cnbc.com   time to read: +3 min
Essentially, solar geoengineering is mimicking what happens when a volcano erupts, and it's known to work. Solar geoengineering is not a solution to climate change, and nobody who studies it rigorously suggests it should be. Injecting sulfur dioxide into the atmosphere could damage the ozone layer, cause respiratory illness and create acid rain. The White House is coordinating a five-year research plan into solar geoengineering, the quadrennial U.N.-backed Montreal Protocol assessment report included an entire chapter addressing stratospheric aerosol injection (more colloquially called solar geoengineering), and Dustin Moskovitz, a co-founder of Facebook , is funding solar geoengineering research via his philanthropic organization, Open Philanthropy. The Nevada launch was previously detailed by Time reporters, who were there.
☆ Facebook co-founder Moskovitz funds research into cooling the Earth with sunlight reflection
  + stars: | 2023-02-07 | by ( Catherine Clifford | In Catclifford | ) www.cnbc.com   time to read: +9 min
(It's sometimes called solar radiation modification or solar geoengineering.) But it's potentially important, it could be very, very helpful, it could be disastrous," Stone told CNBC. And so it goes for solar geoengineering," Stone said. Everyone perceives it to be controversial," Camilloni told CNBC. "This is no one's Plan A for how you deal with climate risk, and whatever happens, we have to cut our emissions," Stone told CNBC.
☆ When a weather balloon went rogue almost 25 years ago, fighter jets fired 1,000 rounds at it and couldn't bring it down
  + stars: | 2023-02-03 | by ( Chris Panella | ) www.businessinsider.com   time to read: +4 min
About 25 years ago, a rogue weather balloon wouldn't come down after over 1,000 rounds were fired at it. Balloons, like the suspected Chinese "spy balloon" over the US, don't always pop or explode when shot. Two Royal Canadian Air Force CF-18 fighter aircraft spotted the balloon over Newfoundland and fired more than 1,000 rounds at it. The balloon, BBC reported, also survived encounters with British and American aircraft. According to BBC reports from the time of the incident, the 300-ft helium balloon prompted air traffic controllers to divert and delay transatlantic flights.
☆ Mexico cracks down on solar geoengineering, forcing startup to pause operations
  + stars: | 2023-01-18 | by ( Catherine Clifford | In Catclifford | ) www.cnbc.com   time to read: +6 min
The sun sets behind power lines near homes during a heat wave in Los Angeles, California on September 6, 2022. On Friday, the government of Mexico issued a statement that it plans to "prohibit and, where appropriate, stop experimentation practices with solar geoengineering in the country." Both Wanser and Make Sunsets both indicated their support for thorough and detailed study of sunlight reflection technologies. But it's not known whether the damage caused by sunlight reflection technology — possibly including damage to the ozone layer, increased respiratory illness, and acid rain — could be worse than the future effects of global warming. Understanding its risks and benefits through research is critical for the world's most climate-vulnerable people," she said in a statement.
☆ One year after volcanic blast, many of Tonga's reefs lay silent
  + stars: | 2023-01-15 | by ( Gloria Dickie | ) www.reuters.com   time to read: +5 min
Coral reefs were turned to rubble and many fish perished or migrated away. Following the eruption, the Tongan government said it would seek $240 million for recovery, including improving food security. SILENT REEFSThe vast majority of Tongan territory is ocean, with its exclusive economic zone extending across nearly 700,000 square kilometres (270,271 square miles) of water. It is likely volcanic ash smothered many reefs, depriving fish of feeding areas and spawning beds. While volcanic eruptions on land eject mostly ash and sulfur dioxide, underwater volcanos jettison far more water.
☆ Earth’s Ozone Layer Recovers as Airborne Chemicals Decline
  + stars: | 2023-01-10 | by ( Eric Niiler | ) www.wsj.com   time to read: 1 min
Airborne chemicals that destroy ozone are now declining for the first time, helping to repair the atmospheric layer that protects humans from the sun’s harmful ultraviolet rays, according to a new report by a U.N.-backed panel of scientists. In a report released Monday by the United Nations Environment Program and the World Meteorological Organization, researchers found a significant thickening of the ozone layer, a region of the atmosphere from 9 to 18 miles high that absorbs ultraviolet rays and prevents them from reaching the Earth’s surface.
☆ UN report claims ozone layer on track to heal to 1980 levels by 2040
  + stars: | 2023-01-10 | by ( ) www.cnbc.com   time to read: 1 min
Share Share Article via Facebook Share Article via Twitter Share Article via LinkedIn Share Article via EmailUN report claims ozone layer on track to heal to 1980 levels by 2040CNBC's Diana Olick joins 'Power Lunch' to report on a U.N. report that the ozone layer is healing.
☆ One simple graph shows why we need to study ways of reflecting sunlight to cool the Earth
  + stars: | 2023-01-10 | by ( Catherine Clifford | In Catclifford | ) www.cnbc.com   time to read: +2 min
The world is not reducing emissions fast enough to mitigate the most deadly effects of climate change, so it's time to study temporary methods to cool the Earth by blocking some of the sun's rays, according to an internationally recognized group of scientists. What altitude you're injecting it. How much you're injecting. Generally speaking, conversations about releasing particles into the stratosphere are referring to sulfur dioxide, but there are no clear answers to the other questions. Releasing sulfur dioxide into the stratosphere is fast and cheap compared to more long-term solutions.
☆ UN says ozone layer slowly healing, hole to mend by 2066
  + stars: | 2023-01-09 | by ( The Associated Press | ) www.nbcnews.com   time to read: +4 min
Earth’s protective ozone layer is slowly but noticeably healing at a pace that would fully mend the hole over Antarctica in about 43 years, a new United Nations report says. “In the upper stratosphere and in the ozone hole we see things getting better,” said Paul Newman, co-chair of the scientific assessment. Natural weather patterns in the Antarctic also affect ozone hole levels, which peak in the fall. A third generation of those chemicals, called HFC, was banned a few years ago not because it would eat at the ozone layer but because it is a heat-trapping greenhouse gas. The report also warned that efforts to artificially cool the planet by putting aerosols into the atmosphere to reflect the sunlight would thin the ozone layer by as much as 20% in Antarctica.
☆ Earth’s Ozone Layer Recovering as Damaging Airborne Chemicals Decline
  + stars: | 2023-01-09 | by ( Eric Niiler | ) www.wsj.com   time to read: 1 min
Airborne chemicals that destroy ozone are now declining for the first time, helping to repair the atmospheric layer that protects humans from the sun’s harmful ultraviolet rays, according to a new report by a U.N.-backed panel of scientists. In a report released Monday by the United Nations Environment Program and the World Meteorological Organization, researchers found a significant thickening of the ozone layer, a region of the atmosphere from 9 to 18 miles high that absorbs ultraviolet rays (UV) and prevents them from reaching the Earth’s surface.
☆ The Earth's ozone layer is slowly recovering, UN report finds
  + stars: | 2023-01-09 | by ( Emma Newburger | ) www.cnbc.com   time to read: +1 min
In this NASA false-color image, the blue and purple shows the hole in Earth's protective ozone layer over Antarctica on Oct. 5, 2022. Earth's protective ozone layer is slowly but noticeably healing at a pace that would fully mend the hole over Antarctica in about 43 years, a new United Nations report says. The Earth's protective ozone layer is on track to recover within four decades, closing an ozone hole that was first noticed in the 1980s, a United Nations-backed panel of experts announced on Monday. The findings of the scientific assessment, which is published every four years, follow the landmark Montreal Protocol in 1987, which banned the production and consumption of chemicals that eat away at the planet's ozone layer. The ozone layer in the upper atmosphere protects the Earth from the sun's ultraviolet radiation, which is linked to skin cancer, eye cataracts, compromised immune systems and agricultural land damage.
☆ Inventor in Baja is testing a plan to cool the Earth by mimicking a volcanic eruption
  + stars: | 2023-01-07 | by ( Catherine Clifford | In Catclifford | ) www.cnbc.com   time to read: +14 min
When Luke Iseman was thinking of launching a solar geoengineering startup, he talked to experts in the field. I want no geoengineering to occur," Iseman told CNBC. And that's a that's a pretty terrifying world to imagine," Iseman told CNBC. "Initially, I was really skeptical entirely of the of the voluntary carbon credit market," Iseman told CNBC. Pasztor told CNBC.
☆ EPA is investigating Colorado for potentially discriminating against Hispanic residents with air pollution regulations
  + stars: | 2022-12-28 | by ( The Associated Press | ) www.nbcnews.com   time to read: +5 min
DENVER — The Environmental Protection Agency is investigating whether Colorado’s regulation of air pollution from industrial facilities discriminates against Hispanic residents and other racial minorities, according to a letter released Wednesday. Since then she’s pushed for community air monitoring and stronger protections, but it all feels too late. “We would have moved.”Advocates say the Suncor refinery too often malfunctions, spiking emissions. Nevertheless there are some signs the agency chose Colorado because it could prove a willing partner. Ian Coghill, an attorney with Earthjustice that is challenging the Suncor permit, says the push and pull between the EPA and state hasn’t yielded major improvements.
☆ Philips says tests on recalled products show limited health risks
  + stars: | 2022-12-21 | by ( Bart H. Meijer | ) www.reuters.com   time to read: +3 min
[1/2] Logo of Dutch technology company Philips is seen at its company headquarters in Amsterdam, Netherlands, January 29, 2019. REUTERS/Eva Plevier/File PhotoSummarySummary Companies Philips: Tests show DreamStation devices unlikely to cause harmFoam degradation more likely if unauthorised cleaners usedShares up 3.5%, after recall wiped 70% off market valueAMSTERDAM, Dec 21 (Reuters) - Dutch health technology company Philips (PHG.AS) said on Wednesday independent tests on its respiratory devices involved in a major global recall had shown limited health risks. Philips had already said earlier this year that tests indicated foam degradation was very rare and was linked to the use of unauthorised ozone-based cleaning products. It said further tests now showed machines cleaned with those products were 14 times more likely to have significant visible foam degradation than those treated with authorised products. The U.S. Food and Drug Administration (FDA) is still considering the results and "may reach different conclusions", Philips said.
☆ James Webb telescope: New data on WASP-39b is a 'game changer,' scientists say
  + stars: | 2022-11-24 | by ( Taylor Nicioli | ) edition.cnn.com   time to read: +4 min
CNN —The James Webb Space Telescope has captured a detailed molecular and chemical portrait of a faraway planet’s skies, scoring another first for the exoplanet science community. This “hot Saturn” was one of the first exoplanets that the Webb telescope examined when it first began its regular science operations. Bocaprins’ close proximity to its host star makes it an ideal subject for studying such star-planet connections. The planet is eight times closer to its host star than Mercury is to our sun. … We are already getting very exciting results,” Nestor Espinoza, an astronomer at the Space Telescope Science Institute, told CNN.
☆ 'Every breath you take': Air pollution stifles Europe's health targets
  + stars: | 2022-11-24 | by ( Juliette Portala | ) www.reuters.com   time to read: +2 min
"Air pollution is still the largest environmental health risk in Europe," the EEA said. "While emissions of key air pollutants and their concentrations in ambient air have fallen significantly over the past two decades in Europe, air quality remains poor in many areas." Air pollution aggravates respiratory and cardiovascular diseases, with heart disease and stroke cited as the most common causes of related early deaths. "Further efforts will be needed to meet the zero pollution vision for 2050 of reducing air pollution to levels no longer considered harmful to health," the EEA said. The European Commission proposed in October to set stricter thresholds for air pollution but also to enhance the right of citizens to clean air.
☆ Brian Eno Reveals the Hidden Purpose of All Art
  + stars: | 2022-11-14 | by ( David Marchese | ) www.nytimes.com   time to read: +19 min
I think I’m still answering it. I’m absolutely fascinated by this question, because I think I have an answer, and I don’t think it has ever been well answered. Since we’re talking about how things work: How do you want your new album to work for people? You have to take that on board as being one of the things that’s happening in culture and quite different from the story that we’re generally hearing. I don’t think many people take that as seriously as I do.
☆ Wildfire smoke chokes U.S. Northwest, residents don masks
  + stars: | 2022-10-20 | by ( Sharon Bernstein Matt Mcknight | Sharon Bernstein | Matt Mcknight | ) www.reuters.com   time to read: +3 min
Oakridge's air quality index was 487, in the hazardous category, according to the federal airnow.gov website. The air quality index measures a combination of ozone and particulate pollution in the air. In Oregon, smoke from numerous fires has been held close to the ground by a weather system, he said. Rain expected on Friday throughout the region was expected to aid firefighting efforts and improve air quality. The federal government's InciWeb wildfire information site shows more than two dozen wildfires currently burning in Washington and Oregon.
☆ Fact Check-No evidence oxygen or hydrogen peroxide kills or treats cancer cells
  + stars: | 2022-10-14 | by ( Reuters Fact Check | ) www.reuters.com   time to read: +4 min
Social media users are sharing claims that rubbing hydrogen peroxide onto the skin can treat cancer and that oxygen can kill cancer cells. “Neither hydrogen peroxide nor oxygen has undergone the rigorous scrutiny and testing needed to prove that these therapies can treat cancer or kill cancer cells,” Tyler Johnson, a clinical assistant professor of oncology at Stanford Medicine, said via email. While application of hydrogen peroxide can reach the bloodstream, he explained, it will not reach to a tumor far enough to have any helpful effect – in fact, "large amounts of ingested hydrogen peroxide are known to be toxic and cause internal burns." “The most highly touted ‘hyperoxygenating’ agents are hydrogen peroxide, germanium sesquioxide, and ozone,” the review explains. There is no evidence that rubbing hydrogen peroxide on the skin, consuming it, or using other unproven methods to increase oxygen in the body will have an effect on cancer cells.
☆ Once a dystopian fantasy, manipulating sunlight to cool the earth is now on the White House research agenda
  + stars: | 2022-10-13 | by ( Catherine Clifford | In Catclifford | ) www.cnbc.com   time to read: +11 min
"The stratosphere is calm, and things stay up there for a long time," Parson told CNBC. That sulfur dioxide goes through other chemical reactions and eventually falls to the earth as sulfuric acid in rain. Known risks to people and the environmentThere are significant and well-known risks to some of these techniques — sulfur dioxide aerosol injection in particular. And spraying sulfur in the stratosphere would contribute in the bad direction to all of those effects," Parson told CNBC. His goal is "simply that we learn more and develop better mechanism[s] for governance," he told CNBC.
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