Air

By David Lary | Air Pollution

Moss may prove cheap city pollution monitor, study finds

Common moss changes shape in areas of high nitrogen pollution and drought and has potential to be big bioindicator, say scientists<p>Delicate mosses found on rocks and trees in cities around the world can be used to measure the impact of atmospheric change and could prove a low-cost way to monitor …

Pollution

An Unusually Large Wildfire Has Burned for Weeks in Icy Greenland

There's something curious happening in icy Greenland: a wildfire that has been burning for weeks.<p>The wildfire appears to be historic in both its size and its duration, but no one can say for sure — because Greenland doesn't have longstanding records of fires. Officials haven't had much of a need …

Climate Change

Greenland Is Still Burning, But The Smoke May Be The Real Problem

More than two weeks after they were first spotted, wildfires on the western coast of Greenland are still burning, worrying local residents and drawing the attention of scientists.<p>The fires are roughly 90 miles northeast of the second-largest Greenlandic town, Sisimiut, as we previously reported. …

Climate Change

Saving the Earth's Ozone Layer Went Even Better Than Expected

In 1989, amidst mounting scientific evidence, dozens of nations joined forces to sign a treaty aimed at halting the expansion of a massive hole in …

Climate

Rush-hour pollution is a bigger problem than we thought

A new study says commuting to work by car may be far more harmful to your health than previously believed.<p>It’s a familiar workday ritual. You hop …

Pollution

Air quality alert issued for Edmonton and surrounding areas Sunday night

Environment Canada says severe thunderstorm could expand north throughout the evening<p>The smell of smoke was thick Sunday night in Edmonton as …

Pollution

The first smog-filtering bicycles will roll out in China by the end of the year

Millions of Chinese cyclists may soon be able to ditch their air-pollution masks. Dutch innovation firm Studio Roosegaarde has partnered with …

Pollution

Air quality advisory for Metro Vancouver, Fraser Valley cancelled

It was the longest air quality advisory in the region since the regional district started an advisory system back in the 1970s.

Fraser Valley

Smoke gives way to blue skies, but Metro air quality advisory extended

Vancouverites rarely celebrate a cloudy sky, perhaps because they’re so common out here.<p>But after a week under a blanket of smoke that’s blocked out …

Fraser Valley

Keep harmful pollutants out of the air with the Brid air purifier

Why it matters to you<p>It feels good to get a breath of fresh air. The Brid air purifier ensures that fresh air remains clean.<p>Most people aren’t …

Air Purifiers

An Unprecedented Fire Is Raging Across Greenland Right Now

Largest wildfire in the country's satellite record.<p>Wildfires are known for striking in hot, dry regions of the planet, but a huge fire is currently …

Climate Change

Smog is choking Mongolia's nomads

A baby cries for attention while his mother makes tea and tends a stove inside her family's <i>ger</i>, or yurt. The air inside the heavy canvas walls is …

Pollution

Cloud physics could be the key to understanding climate change

It’s raining above Dominica, and cloud physics can’t quite explain why.<p>Clouds are far more important to the environment than you may think. Not only do they provide some sunburn protection for the fair-skinned and produce rain for crops, but they also act as a buffer for the sun’s radiation and …

Climate Change

Biochar could clear the air in more ways than one

Biochar from recycled waste may both enhance crop growth and save health costs by helping clear the air of pollutants, according to Rice University …

Sustainability

How To Avoid Respiratory Infections Amid Rising Smog Due To Climate Change

President Donald Trump might not fully believe climate change is happening but nobody can deny most Americans are living in polluted counties. …

Pollution

All hell breaks loose as the tundra thaws

A recent heatwave in Siberia’s frozen wastes has resulted in outbreaks of deadly anthrax and a series of violent explosions<p>Strange things have been happening in the frozen tundra of northern Siberia. Last August a boy died of anthrax in the remote Yamal Peninsula, and 20 other infected people were …

Climate Change

Monitor Your City’s Air Quality

[Radu Motisan]’s entry in the 2017 Hackaday Prize is a series of IoT Air Quality monitors, the City Air Quality project. According to [Radu], air …

Arduino

127M Americans at risk of air-quality 'double whammy' of smog, ragweed pollen

About 40% Americans live in counties where a "double whammy" of unhealthy levels of smog and ragweed pollen — both tied to climate change — combine to threaten respiratory health, a Natural Resources Defense Council report released Tuesday finds.<p>"Today, 127 million Americans live where ragweed and …

Climate Change

Report: Texas industrial plants spewing toxic pollution illegally

A report by the Washington D.C.-based Environmental Integrity Project and Austin-based Environment Texas found that 679 facilities from the …

Report: Texas industrial plants spewing toxic pollution illegally

Hundreds of industrial facilities across Texas are illegally spewing millions of pounds of toxic pollutants into the air each year when they break …

Alaskan volcano erupts again, leading to aviation warning

<b>(CNN) —</b> An Alaskan volcano that has erupted several times since last year spewed an ash cloud up to 30,000 feet, leading to an aviation warning.<p>The Bogoslof volcano erupted Saturday, sending ash over the Aleutians Islands, the Alaska Volcano Observatory (AVO) said.<p>It "remains at a heightened state …

Slideshow: 10 Wost Smog Cities in America

The derecho - the deadly storm hardly anyone has heard of

The deadly power of tornadoes is undisputed. More than 1000 power their way through America's vast plains annually. This year alone, 34 people have …

Weather

California may be leading on climate change, but that doesn’t mean it can ignore local pollution

Last year California lawmakers doubled down on the state’s landmark law to cut greenhouse gas emissions. The passage of Senate Bill 32 obligated the state to reduce emissions 40% below the 1990 level by 2030. It is an ambitious target that has, again, made California one of the world leaders in …

Climate

Foobot Indoor Air Quality Monitor Review | Trusted Reviews

What is the Foobot Indoor Air Quality Monitor?<p>Think of pollution, and you probably think of things happening outside your house – yet it’s inside …

Indoor Air Quality

Non-targeted methods for identifying new and emerging persistent organic pollutants of environmental concern

David Megson (Ryerson University and Ontario Ministry of the Environment and Climate Change, Canada; david.megson@ontario.ca), Miren Pena-Abaurrea …

NASA filled the sky with glowing blue and green clouds

It looks like a Fourth of July display, but it’s for science.<p>If at first you don’t succeed, try, try again. That should be the motto for a NASA mission that has <i>finally</i> launched after no less than 11 scrubbed launch attempts.<p>Since June 1, NASA has been trying to launch a small rocket to study the …

Space

Moss-covered CityTree has the same air-purifying effect as 275 regular trees

20 of them have been deployed so far around the world<p>From smog-sucking bikes to electric taxis and paint made of car exhaust, designers and architects are stepping up to address air pollution—the world’s single largest health risk. But a new air filter making the rounds in Oslo, Paris, Brussels, …

Sustainability

The Ozone Hole Is Slowly Healing - But This Chemical Could Delay Its Recovery by Decades

We've screwed up again.<p>While the famous Antarctic "ozone hole" is finally beginning to heal, 30 years after it was first discovered, scientists have …

Climate Change