By Environmental News Network staff. The ozone hole over Antarctica this year garnered a few firsts -- it appeared earlier and spread over a larger area than ever.

Last week, we learned that an ozone hole had formed above the North Pole for the first time ever. But what exactly is an ozone hole, why are they so dangerous, and what can we do to fix them ...

Satellite data show the area of this year's Antarctic ozone hole peaked at about 26 million square kilometers making the hole similar in size to those of the past three years, according to ...

The ozone hole over Antarctica has shrunk 30 percent as compared to last year's record size. According to measurements made by ESA's Envisat satellite, this year's ozone loss peaked at 27.7 ...

Scientists use the word hole as a metaphor for the area in which ozone concentrations drop below the historical threshold of 220 Dobson Units. Using this metaphor, they can describe the hole’s ...

On Oct. 2, 2015, the ozone hole expanded to its peak of 28.2 million square kilometers (10.9 million square miles), an area larger than the continent of North America.

The ozone hole is seasonal, ... —a rat encountering cheese in location A encodes a significantly different memory than when ...

For years, the ozone depletion-impact crowd was worrying about the effects surface ultraviolet radiation would have on the Antarctic ecosystem—though, as we’ve said before, the Antarctica ecosystem, ...

Ozone data derived from satellite measurements are showing currently (middle of March 2020) a typical ozone hole feature in the polar Northern hemisphere (Arctic; Figure 1). What is called an ozone ...