At this writing, the National Emergency Management Agency of New Zealand is still warning people to stay away from harbors, rivers and estuaries. Source: https://earthsky.org/earth/earthquake-new-zealand-march-4-5-2021-tsunami-warning…
Tag: Rivers
Avalanche Warnings Are Issued in Northwest
Two avalanche warnings have been issued for parts of Washington and Oregon as heavier-than-usual rainfall and snowfall is expected to hit part of the West Coast through Monday. From a report: One of the warnings, a Level 4 on a scale of 5, said there was a high avalanche danger for parts of North Cascades National Park by the Canadian border,…
Are Texas Blackouts a Warning About the Follow-on Effects of Climate Change?
This week in America, “continent-spanning winter storms triggered blackouts in Texas, Oklahoma, Mississippi and several other states,” reports the New York Times. But that was just the beginning… One-third of oil production in the nation was halted. Drinking-water systems in Ohio were knocked offline. Road networks nationwide were paralyzed and vaccination efforts in 20 states were disrupted. The crisis carries a…
Humans have severely affected fish biodiversity in half of all rivers
Rivers are an important habitat for nearly 18,000 species, but over half of the world’s rivers have been heavily impacted by human activity, reducing their fish biodiversity Source: https://www.newscientist.com/article/2268348-humans-have-severely-affected-fish-biodiversity-in-half-of-all-rivers/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=home…
A robot submarine could explore Titan’s deepest sea
A new study of data from NASA’s bountiful Cassini mission shows that Titan’s largest methane sea, Kraken Mare, is at least 1,000 feet – 300 meters – deep near its center. That’s plenty of room for a future robotic submarine to explore. Source: https://earthsky.org/space/titans-largest-sea-kraken-mare-is-1000-feet-deep…
New evidence for multiple ice ages on Mars
Earth has had at least 5 major ice ages. Now it appears Mars – the next planet outward from the sun – has undergone anywhere from half a dozen to 20 ice ages in the past several hundred million years. Source: https://earthsky.org/space/new-evidence-for-multiple-ice-ages-on-mars…
Opinion: Biden administration must act fast to save migratory birds
On Trump’s way out of the White House, his administration demolished a law that protects migratory birds, putting over 1,000 species at risk. The Biden administration can still salvage it, but only if they act swiftly. Source: https://earthsky.org/earth/biden-administration-migratory-bird-treaty-act…
Are We Slowing Global Warming?
This week New York Magazine featured a new article by journalist David Wallace-Wells about the state of the fight against global warming. He warns that “Already, the planet is warmer, at just 1.2 degrees, than it has ever been…” But there’s also some good news:
Just a half-decade ago, it was widely believed that a “business as usual” emissions path would bring…
US rivers are changing from blue to yellow and green, satellite images show
Researchers believe color changes could be used as a proxy for the health of river ecosystems. Source: https://www.livescience.com/us-rivers-changing-color.html
Should America’s Next President Abolish the Space Force?
An anonymous reader writes: The U.S. military’s Space Force branch celebrated its one-year anniversary Friday by announcing that its members would now be known as “guardians”. But the name was not universally greeted with respect and appreciation. Gizmodo announced the news with a headline which read “Space Force Personnel Will Be Called ‘Guardians’ Because Sure, Whatever,” in an article which jokingly…