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
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
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
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
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 Suddenly, a future blighted by skin cancers, cataracts, dying plants and crops and damaged ecosystems loomed There was no time 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
Inside the effort to track the health of the ozone layer - UNEP Around the same time, scientists discovered that the ozone layer over Antarctica had thinned dramatically, likely because of CFCs This came to be known as a “hole” even though, strictly speaking, there was never a spot completely devoid of ozone