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Monday, May 23, 2022



Ozone hole over Antarctica larger than usual, scientists say

September 16, 2021 7:21 pm

Experts say it’s likely to take until the 2060s for ozone-depleting substances to be completely phased out.

A science teacher explains: Ozone, the earth’s invisible protective shield

October 11, 2020 6:10 pm

One of the effects of ozone depletion, which is not as discussed, is the weather change witnessed in the southern hemisphere due to shifting jet stream patterns

Japan researchers say ozone effective in neutralising coronavirus

August 27, 2020 10:38 am

The experiment used an ozone generator in a sealed chamber with a sample of coronavirus. The potency of the virus declined by more than 90% when subjected to low level ozone for 10 hours.

A science teacher explains: Know the ozone, the safety net over our planet

June 05, 2020 4:57 pm

The “ozone hole” is the term commonly used for areas where the ozone layer gets damaged. Ozone layer damage is more like a lean patch than a hole.

Largest hole in the ozone layer over Arctic is now closed: Here's what happened

April 28, 2020 11:24 pm

Scientists believe the closing of the hole is because of a polar vortex, and not because of the lower pollution levels during the coronavirus lockdown.

Scientists spot unusual ozone hole over Arctic: What caused it?

April 08, 2020 5:02 pm

This ‘mini hole’ in the ozone layer is believed to have been caused by unusual atmospheric conditions, including freezing temperatures in the stratosphere.

India completes phase-out of ozone depleting chemical HCFC-141b: Environment Ministry

January 22, 2020 10:30 pm

Ozone occurs naturally in small amounts in the upper atmosphere of the earth. It protects life on earth from the sun's ultraviolet (UV) radiation.

Explained: What to read in ozone hole size

November 09, 2019 8:30 pm

The annual ozone hole over the Antarctic has been found to be at its smallest since the 1980s. What causes the hole, and what does the small area this year mean in the context of climate protection efforts?

Ozone layer still depleting, contrary to popular belief: Study

February 06, 2018 7:19 pm

New research has shown that the ozone layer is still shrinking, contrary to popular belief, that said the behaviour had stopped since 2000.

In middle of heat wave, ozone levels spike in the city

June 04, 2017 3:23 am

Ozone levels in Delhi have even doubled at some locations, according to the latest analysis done by the Centre for Science and Environment.