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CCAMLR Convention | UNEP - UN Environment Programme
Commission for the Conservation of Antarctic Marine Living ResourcesA. OverviewAntarctica is surrounded by an unbroken and dynamic body of water known as the Southern Ocean, which constitutes about 10% of the world's total ocean surface. For about 200 years, Antarctica's resources have been unsystematically harvested. In many cases the intense level of exploitation resulted in the severe depletion of harvested stocks, as was the case for fur and elephant seals in the 19th century, and whales ...
Debunking eight common myths about climate change | UNEP
Here’s a closer look at some of the most popular misconceptions around the climate crisis.
Record heat sends sea ice into retreat, worrying scientists
In both the Arctic and Antarctica, warmer ocean water contributes to the melting of ice sheets. While Arctic melting doesn’t lead to a significant rise in sea levels, as the ice is already in the water, melting of Greenland or Antarctic ice will as it sits on land.
Ozone layer recovery is on track, helping avoid global warming ... - UNEP
NAIROBI, 9 January 2023 – The ozone layer is on track to recover within four decades, with the global phaseout of ozone-depleting chemicals already benefitting efforts to mitigate climate change. This is the conclusion of a UN-backed panel of experts, presented today at the American Meteorological Society’s 103rd annual meeting. Examining novel technologies such as geoengineering for the first time, the panel warns of unintended impacts on the ozone layer.
Rebuilding the ozone layer: how the world came together for the ... - UNEP
But in 1985, a hole was confirmed in the ozone layer over Antarctica. The world’s natural sun shield, which protects humans, plants, animals and ecosystems from excessive ultraviolet radiation, had been breached.
State of the marine environment in Antarctica - UNEP
Human activities have had a major effect on the balance of the Antarctic marine ecosystem, this can be seen by damage of large agae such as kelp that is caused by increased UV penetration
World Ozone Day, 16 September 2025 | Ozonaction - UNEP
About the United Nations Environment Programme - UNEP
Safeguarding the environment for future generations The United Nations Environment Programme (UNEP) is the United Nations’ leading global authority on the environment, driving transformational change on the triple planetary crisis: the crisis of climate change, the crisis of nature, land and biodiversity loss, and the crisis of pollution and waste. Since its founding in 1972, UNEP has served as a neutral convener of Member States, civil society, the private sector and UN agencies to ...
About Montreal Protocol - UNEP
The Montreal Protocol The Montreal Protocol on Substances that Deplete the Ozone Layer is the landmark multilateral environmental agreement that regulates the production and consumption of nearly 100 man-made chemicals referred to as ozone depleting substances (ODS). When released into the atmosphere, those chemicals damage the stratospheric ozone layer, Earth’s protective shield that protects humans and the environment from harmful levels of ultraviolet radiation from the sun.
Inside the effort to track the health of the ozone layer - UNEP
This computer image from October 1987 shows the thinning ozone layer over Antarctica. Photo by National Oceanic and Atmospheric Association In 1987, the countries of the world adopted the Montreal Protocol, which has since phased out 99 per cent of ozone-depleting substances and helped arrest the ozone layer’s decline.
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