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#overuse

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"During [the last] 30 years, #freshwater lakes collectively lost an average of 600 cubic kilometers of #water storage annually – 17 times the volume of Lake Mead, the largest reservoir in the United States.

The cause is a combination of human-caused #overuse and unprecedented shifts in the #climate, the researchers found. "

yaleclimateconnections.org/202

Yale Climate Connections · How cities run dryBy Tanya Petach

To all those using #electric #portable #fan, what about paper and bamboo folding fan ?
Sure, there is no RPM displayed on a shiny LED screen to ensure you're using the optimal air flow, and it takes the terrific effort of moving your hand.
However it costs 10 times less and weights many times less, doesn't run out of power, or participate to #plastic and #battery #pollution, #energy and #resources #overuse, or #cultural #diversity #loss.

Harmful Dust From Drying Lakes - Preserving Great Salt Lake (USA) Water Levels Decreases Ambient Dust And Racial Disparities In Population Exposure
--
cell.com/one-earth/fulltext/S2 <-- shared technical article
--
[similar to the public health impacts and challenges faced by communities around the dying Salton Sea, amongst others...]
#GIS #spatial #mapping #pollution #dust #toxic #exposure #wind #publichealth #water #drought #GreatSaltLake #Utah #water #surfacewater #watersupply #climatechange #demographics #community #atrisk #minorities #income #disparity #humanhealth #mitigation #policy #planning #loss #drying #lake #terminallakes #inlandseas #ecology #habitat #lakebed #humanimpacts #mining #wateruse #overuse #desiccation #socialdisparity #incomedisparity #particulates

Overusing groundwater ended North Africa's Garamantian civilization.

' "As you look at modern examples like the San Joaquin Valley, people are using the groundwater up [faster] than it's being replenished," says [study lead author Frank] Schwartz. "California had a great wet winter this year, but that followed 20 years of drought. [If drier years continue] California will ultimately run into the same problem as the Garamantians.... " '

#groundwater #overuse #Sahara

phys.org/news/2023-10-ancient-

Phys.org · How an ancient society in the Sahara Desert rose and fell with groundwaterBy Emily Zawacki

A report in Nature concluded that we have already exceeded seven of eight “#safe and #just #Earth #systemboundaries” that it studied—from #groundwater supplies and #fertilizer #overuse to #temperature
“We are moving in the wrong direction on basically all of these,” Johan Rockström, the paper’s lead author and the director of the Potsdam Institute for Climate Impact Research, told reporters.

newyorker.com/news/daily-comme

#KeepItInTheGround #KeelingCurve
#Sufficiency #Sharing #ParisAligned

The world’s largest #lakes are shrinking dramatically and scientists say they have figured out why

These significant bodies of water include the Colorado River’s #LakeMead, which has receded sharply amid a #megadrought and decades of #overuse.

By Laura Paddison, CNN

Published May 18, 2023 4:29 PM EDT

The shrinking of many lakes has been well documented, but the extent of change – and the reasons behind it – have been less thoroughly examined, said Fangfang Yao, the study’s lead author and a visiting scholar at the Cooperative Institute for Research in Environmental Sciences at the University of Colorado Boulder.

The researchers used satellite measurements of nearly 2,000 of the world’s largest lakes and reservoirs, which together represent 95% of Earth’s total lake water storage.

Examining more than 250,000 satellite images spanning from 1992 to 2020, along with climate models, they were able to reconstruct the history of the lakes going back decades.

The results were “staggering,” the report authors said.

They found that 53% of the lakes and reservoirs had lost significant amounts of water, with a net decline of around 22 billion metric tons a year – an amount the report authors compared to the volume of 17 Lake Meads.

More than half of the net loss of water volume in natural lakes can be attributed to human activities and climate change, the report found.
The report found losses in lake water storage everywhere, including in the humid #tropics and the cold Arctic. This suggests “drying trends worldwide are more extensive than previously thought,” Yao said.

Different lakes were affected by different drivers.

#Unsustainable water consumption is the predominant reason behind the shriveling of the #AralSea in Uzbekistan and California’s #SaltonSea, while changes in rainfall and runoff have driven the decline of the #GreatSaltLake, the report found.

In the #Arctic, lakes have been shrinking due to a combination of changes in temperature, precipitation, evaporation and runoff.

“Many of the human and climate change footprints on lake water losses were previously unknown,” Yao said, “such as the desiccations of #LakeGoodEZareh in Afghanistan and #LakeMarChiquita in Argentina."

#WaterIsLife #WaterWars #Consumption #ClimateCrisis

Read more:
accuweather.com/en/climate/wor

The message from this report:

"Governments must urgently stop subsidising the extraction and #overuse of water through misdirected agricultural #subsidies, and industries from #mining to manufacturing must be made to overhaul their wasteful practices, according to a landmark report on the economics of #water."

In so many cases, #ClimateChange is the last straw on top of long-standing mismanagement of water resources.

#WaterWaste
theguardian.com/environment/20

The Guardian · Global fresh water demand will outstrip supply by 40% by 2030, say expertsBy Fiona Harvey

The world is facing an #imminent #WaterCrisis w/ demand expected to outstrip the supply of #FreshWater by 40% by the end of this decade, experts have said at crucial #UN #water summit.
#Governments must urgently #stop #subsidising the #extraction & #overuse of #water through misdirected agricultural subsidies & #industries from #mining to #manufacturing must be made to #overhaul their #wasteful practices, according to a #LandmarkReport on the #economics of water.

amp.theguardian.com/environmen

The GuardianGlobal fresh water demand will outstrip supply by 40% by 2030, say expertsBy Fiona Harvey

To folks who seem to mark *all* of their photos as "sensitive content," consider this.

Because so much of the sensitive content really isn't (photos of cute animals do not require a CW or to be flagged as sensitive), I just indiscriminately click on all "sensitive content" images.

So, every now and again I'll come across one that really *is* sensitive content and I instantly regret clicking.

Maybe let's not mark everything as sensitive?