Terrifying commentary on climate change.
It is, I promise, worse than you think. If your anxiety about global warming is dominated by fears of sea-level rise, you are barely scratching the surface of what terrors are possible, even within the lifetime of a teenager today. And yet the swelling seas — and the cities they will drown — have so dominated the picture of global warming, and so overwhelmed our capacity for climate panic, that they have occluded our perception of other threats, many much closer at hand. Rising oceans are bad, in fact very bad; but fleeing the coastline will not be enough.
Indeed, absent a significant adjustment to how billions of humans conduct their lives, parts of the Earth will likely become close to uninhabitable, and other parts horrifically inhospitable, as soon as the end of this century.
Source: When Will Climate Change Make the Earth Too Hot For Humans?
It’s low risk but low-risk doesn’t generate clicks. 🙂
Hundreds of earthquakes have hit Yellowstone National Park in the space of a week, according to experts.
A total of 464 quakes have been recorded over the past week at Yellowstone, which sits above one of the world’s most dangerous supervolcanoes.
This is the highest number of earthquakes at the park within a single week in the past five years.The recent activity has raised fears that the supervolcano is about to blow.
If it were to erupt, the Yellowstone supervolcano would be one thousand times as powerful as the 1980 Mount St Helens eruption, experts claim – although they say the risk is ‘low’.
Source: Swarm of 464 earthquakes hits Yellowstone National Park | Daily Mail Online
The Yellowstone volcano has a massive chamber the size of Mexico.
A recent scientific discovery has drastically changed our view of the global carbon cycle and identified a new significant risk. Researchers have discovered a giant lake or reservoir made up of molten carbon sitting below the western US.
The molten carbon (primarily in the form of carbonate) reservoir could drastically and immediately change the global climate for over a decade if it were to be released. Thankfully there is little risk in the near future of this happening. The carbon sits 217 miles beneath the surface of the Earth in the upper mantle and has no immediate pathway to the surface. In total the lake covers approximately 700,000 square miles, approximately the size of Mexico. This has redefined how much carbon scientists believe sits locked away in the Earth’s mantle and its interaction with surface and atmospheric carbon.
Source: A Massive Lake Of Molten Carbon The Size Of Mexico Was Just Discovered Under The US
Is DC power the wave of the future for computing environments?
Power distribution in data centers used to emulate the architecture of old telephone central offices. A “rectifier” would step down and rectify the ac from the power line and use it to charge banks of batteries that provided an unregulated 48 V dc, which was distributed around the facility to run the telephone equipment in the racks.
Since at least 2007, data-center engineers have been talking about distributing 400 V dc (sometimes 380 V). Data centers are bigger and use a lot more power than telco central offices. At a minimum, higher voltage distribution would mean lower I2R losses and/or thinner power-distribution cables.
Source: As early as 2007, analysis demonstrated that 400-V dc distribution had advantages; Now there’s a way to implement it.
Falls Lake at the worst of drought, December 9, 2007
On Saturday my family and placed four tons of grass sod in our backyard. As I fired up a sprinkler for the first time in several years (a decade, perhaps?) I thought about how much our next water bill was going to cost us. The City of Raleigh has tiered water rates, meaning everyone gets their base allotment for the same price but the price quickly jumps beyond that amount. The idea is that economics will compel water customers to conserve which is a worthy goal.
But what about the times conservation isn’t needed? Right now Falls Lake is full. The U.S. Army Corps of Engineers is releasing water from Falls Lake at a rate of 6,000 cubic feet per second, which I’ve heard is about the most it will release at any time. This onslaught of water is causing issues downstream, flooding neighborhoods that haven’t yet recovered from last month’s initial round of heavy flooding.
It doesn’t appear that conservation is an issue at the moment, so what if our water bills could reflect this? What if Raleigh residents could give The Army Corps a hand by putting that water where it could good some good: on everyone’s lawns and gardens, not just those unfortunate few who live close to the raging river? What if the City reduced water rates on a temporarily basis while the river release was underway? I know there’s more to water use than simply supply (it has to be treated, for instance) but tying water rates to our supply might make sense.
How to fix poor sleep brought on by modern technology: go camping!
Are you sick of going to bed late and waking up tired? Then grab your hiking boots and a tent. A new study suggests that a couple days of camping in the great outdoors can reset your circadian clock and help you get more sleep.
The circadian clock is an internal system that tells your body when it’s time to go to sleep and when it’s time to wake up. Scientists track this clock by measuring the amount of melatonin circulating in a person’s blood at any given time.
In a healthy sleeper, melatonin levels rise a few hours before bedtime, stay high through the night and then settle back down to daytime levels when it’s time to wake up. The period when melatonin levels are elevated is known as biological night.
In our modern society, biological night does not usually coincide with night in the natural world. Most of us stay up many hours past sunset, and we would probably sleep in many hours after sunrise if we could.
The trouble is, if your biological night begins at midnight or later, your melatonin levels may still be high when your alarm clock goes off in the morning. This leads to grogginess, and it may have other consequences, researchers say. Diabetes, obesity and heart disease have all been associated with not getting enough sleep.
Research by integrative physiology professor Kenneth Wright of the University of Colorado at Boulder found that people reset their circadian clocks by taking a six-day summer camping trip in the Rocky Mountains.
Source: How to reset your body clock, and get better sleep, with hiking boots and a tent – The Washington Post
Kudos to citizen-scientist Nico Sun who assembled the temperature graphs from publically-available weather data.
The Arctic is so warm and has been this warm for so long that scientists are struggling to explain it and are in disbelief. The climate of the Arctic is known to oscillate wildly, but scientists say this warmth is so extreme that humans surely have their hands in it and may well be changing how it operates.
Temperatures are far warmer than ever observed in modern records, and sea ice extent keeps setting record lows.2016 was the warmest year on record in the Arctic, and 2017 has picked up right where it left off. “Arctic extreme (relative) warmth continues,” Ryan Maue, a meteorologist with WeatherBell Analytics, tweeted on Wednesday, referring to January’s temperatures.
Veteran Arctic climate scientists are stunned.
Source: ‘Beyond the extreme’: Scientists marvel at ‘increasingly non-natural’ Arctic warmth – The Washington Post