ozone
-
Earth
Arctic ozone reaches record high in positive step for climate
Modeling representation of Arctic ozone hole recovery in 2024. Credit: Michala Garrison, NASA Earth Observatory. The Earth’s ozone hole in polar regions, where stratospheric ozone levels have been significantly reduced, has been featured frequently in climate change news in recent decades. Anthropogenic chlorofluorocarbons (CFCs) are the main culprit and are emitted by household products such as refrigerators, air conditioners, and…
Read More » -
Environment
Report: Reducing methane emissions key to fighting climate change and harmful ozone layer
Credit: Pixabay/CC0 Public Domain Many human activities release methane into the atmosphere. Agriculture, landfills, wastewater, and fossil fuel production and distribution are the largest sources of methane. These account for approximately 60% of global methane emissions, with the remaining 40% coming from natural sources. Like carbon dioxide (CO2), methane is a potent greenhouse gas and is estimated to be responsible…
Read More » -
Environment
What’s going on with the hole in the ozone layer?
Measurements by the Copernicus Sentinel-5P satellite in 2023 reveal an ozone hole over Antarctica. Credit: ESA (with corrections to 2023 Copernicus Sentinel data processed by DLR) Scientists first sounded the alarm about human-caused destruction of the ozone layer in 1974, but it took several more years before the international community reached an agreement to ban chemicals that damage the ozone…
Read More »
