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Previous studies have quantified the share of increasing average temperatures, risingsealevels , and oceanacidification attributable to major industrial emitters. This study linked nearly half the rise in this measure between 1901 and 2021 to the carbon majors. Credit: State Farm , CC BY 2.0
Melting glaciers won’t just contribute to sea-levelrise, although that’s a big deal too — they will alter the fabric of daily life for people across the world, who rely on these enormous stores of ice for drinking water and irrigation. “There’s sort of a blending between all of those things, isn’t there?
This week the World Meteorological Organisation published a report detailing how four key climate change indicators - greenhouse gas concentrations, sealevelrise, ocean heat, and oceanacidification - all set new records in 2021.
In one of these cases, small island states are seeking an advisory opinion that defines countries’ legal requirements for protecting the oceans from harmful climate impacts — such as oceanacidification and sealevelrise – that threaten their very existence.
Taking immediate action to slash emissions towards net zero by 2050 could make a monumental difference to the level, frequency, and breadth of growing climate impacts, the scientists emphasise. There must be no new coal plants built after 2021. C we are still facing half a metre of sealevelrise.
Four key climate change indicators - greenhouse gas concentrations, sealevelrise, ocean heat, and oceanacidification - all set new records in 2021. The WMO State of the Global Climate in 2021 report confirmed that the past seven years have been the warmest seven years on record.
In 2021, observations also indicate that the Amazon Rainforest flipped from a sink to a source, emitting the equivalent of roughly 1.1 Observations in 2019 made clear that the Arctic has now become a significant source of CO2 emissions, emitting the equivalent of around 2.3 Gt CO2 that year.
In summer 2021, the UN's Intergovernmental Panel on Climate Change raised the threat level posed by climate change to a ' code red for humanity'. US President Joe Biden, for example, has relaunched Arctic Warrior, a cold war training programme - and, in early 2021, dispatched B-1 Lancer strategic bombers to Norway.
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