WeForNews | Latest News, Breaking News, News Updates NO2 emission advancing in India, latest NASA air quality maps display | WeForNews | Latest News, Blogs
Connect with us

Tech

NO2 emission advancing in India, latest NASA air quality maps display

Published

on

SpaceX_Falcon_9 _nasa-wefornews
filename

The emission of the nitrogen dioxide pollutant has gone up significantly in the South Asia region, including India, during the 2005-2014 period, severely affecting air quality in the process, NASA satellite maps show.
Nitrogen dioxide (NO2) is a yellow-brown gas that is a common emission from cars, power plants and industrial activity.

The US and Europe are among the largest emitters of nitrogen dioxide but both regions also showed the most dramatic reductions between 2005 and 2014, the maps showed.

“The main story in South Asia is increasing NO2 levels from 2005 to 2014 associated with booming economies and ambitious infrastructure development, such as new coal-burning power plants in the Chhattisgarh region of India,” NASA said in a statement.

“One of the largest increases occurred over Jamnagar (India), the site of the largest petrochemical complex in the world,” it added.

“Dhaka (Bangladesh) had the largest increase (79 percent) of any world city,” the statement noted.

Using new, high-resolution global satellite maps of air quality indicators, NASA scientists tracked air pollution trends over the last decade in various regions and 195 cities around the globe.

“These changes in air quality patterns are not random,” said lead researcher Bryan Duncan, atmospheric scientist at NASA’s Goddard Space Flight Center in Greenbelt, Maryland.

“When governments step in and say we are going to build something here or we are going to regulate this pollutant, you see the impact in the data,” Duncan noted.

Duncan and his team examined observations made from 2005 to 2014 by the Dutch-Finnish ozone monitoring instrument aboard NASA’s Aura satellite.

One of the atmospheric gases the instrument detects is nitrogen dioxide.

Nitrogen dioxide can quickly transform into ground-level ozone, a major respiratory pollutant in urban smog. NO2 hotspots, used as an indicator of general air quality, occur over most major cities in developed and developing nations.

The science team analyzed year-to-year trends in nitrogen dioxide levels around the world.

They found that China, the world’s growing manufacturing hub, saw an increase of 20 to 50 percent in nitrogen dioxide, much of it occurring over the North China Plain.

Three major Chinese metropolitan areas — Beijing, Shanghai, and the Pearl River Delta — saw nitrogen dioxide reductions of as much as 40 percent.

The findings were presented on Monday at the American Geophysical Union meeting in San Francisco, US and published in the Journal of Geophysical Research.

wefornews bureau

Tech

Twitter acts on inactive accounts, new verification soon

Published

on

By

Twitter
File Photo

Micro-blogging platform Twitter has started removing blue verification badges from inactive and incomplete accounts and will begin the new verification process for its users in few weeks.

Twitter, which paused its public verification process or that elusive Blue Badge three years ago, in November announced to relaunch verification, including a new public application process, in early 2021.

“Last call! As part of our new verification policy, we’ll remove verification badges from inactive and incomplete accounts,” Twitter Safety said in a tweet.

The company is reading out directly to users who have issues with their accounts.

“We’ve reached out directly to those who need to take action to stay verified,” it added.

Twitter had said it would relaunch verification, including a new public application process, in early 2021.

Verified accounts on Twitter will have a blue check next to the display name throughout the app.

“When we relaunch the public application process in early 2021, there will be a link to the application in the Twitter apps and on twitter.com”.

Over three years ago, the platform paused the public verification programme after hearing feedback that it felt arbitrary and confusing to many people.

A year later, the company deprioritised this work further to focus on protecting the integrity of the public conversation around critical moments like the 2020 US election.

The company has identified six types of accounts in its draft policy as Notable Accounts — government; companies, brands and non-profit organisations; news; entertainment; sports and activists/organisers and other influential individuals.

According to the proposed policy, “the blue verified badge on Twitter lets people know that an account of public interest is authentic. To receive the blue badge, your account must be notable and active.”

Twitter had admitted that there are many verified accounts on its platform that should not be there.

The new verification policy is a starting point, and “we intend to expand the categories and criteria for verification significantly over the next year”.

The draft verification policy is available in English, Hindi, Arabic, Spanish, Portuguese, and Japanese.

“We are also working with local non-governmental organisations and our Trust and Safety Council to ensure as many perspectives are represented as possible,” Twitter said.

Continue Reading

Tech

Twitter locks account of Chinese Embassy in US over Uyghur tweet

Published

on

By

TWITTER

Twitter has locked the official account of China’s Embassy in the US over a controversial post that referred to Muslim Uyghur women as “baby-making machines” prior to government intervention.

Continue Reading

Tech

Microsoft brings Surface Laptop Go to India

Published

on

By

Microsoft Surface Duo
File Photo

Microsoft on Thursday announced the Surface Laptop Go will be available in India from January 22 via commercial authorised resellers, authorised retail and online partners at a starting price of Rs 63,499.

According to the company, the Surface Laptop Go extends the Surface line-up by delivering standout design along with the features most loved by our Surface Laptop customers at a more affordable price.

“With the new Surface Laptop Go, we want to give every person in the household or organisation a laptop that’s not just something you need to use, but something you want to use. The Surface Laptop Go is our lightest and most affordable Surface laptop yet that offers the perfect balance of performance, battery life and style,” Rajiv Sodhi, Chief Operating Officer, Microsoft said in a statement.

The Surface Laptop Go runs on Windows 10 Home in S mode. It features a 12.45-inch PixelSense Display with 3:2 aspect ratio and 1,536×1,024 pixels resolution.

Under the hood, the Surface Laptop Go is powered by 10th-Gen Intel Core i5-1035G1 processor and comes with Intel UHD graphics.

It can be equipped with 4GB, 8GB, or 16GB of LPDDR4x RAM. The base model carries 64GB of eMMC storage but comes with options for 128GB and 256GB SSDs.

Connectivity options include a USB Type-C port, a USB Type-A port, a 3.5mm headphone hack, Wi-Fi 6: 802.11ax, and Bluetooth 5.0.

Continue Reading
Advertisement

Most Popular