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One-fifth of threatened freshwater species are affected by climate change and severe weather events. [ 8 ] 9 January: a study published in Nature Reviews Earth & Environment estimated that since the mid-twentieth century, global-averaged 3-month and 12-month "hydroclimate whiplash" events have increased by 31–66% and 8–31%, respectively. [ 9 ]
13 February: a study published in Current Issues in Tourism projected that for the 2050s, U.S. ski seasons will shorten between 14–33 days (low emissions scenario) and 27 to 62 days (high emissions scenario), with direct economic losses of $657 million to 1.352 billion annually. [10]
The goal of the clock is to convey threats to humanity and the planet, and to create public awareness that will lead to solutions. In the beginning, the Doomsday Clock focused on the dangers of nuclear war, but in the 21st century, it has begun to deal with other issues like climate change and disinformation on the internet.
The chance to secure a livable future for everyone on Earth is slipping away.
For example, climatologist Kevin E. Trenberth has published widely on the topic of climate variability and has exposed flaws in the publications of other scientists. [6] [7] [8] For past debates and controversies on scientific details see for example: History of climate change science#Discredited theories and reconciled apparent discrepancies ...
Some climate change effects: wildfire caused by heat and dryness, bleached coral caused by ocean acidification and heating, environmental migration caused by desertification, and coastal flooding caused by storms and sea level rise. Effects of climate change are well documented and growing for Earth's natural environment and human societies. Changes to the climate system include an overall ...