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LATEST FROM THE GEOBLOGOSPHERE:

Microplastics Are Chemically Active, and Could Cause Biological Harm

State of the Planet | 14 October, 2026
A new study found that when microplastics contact water, their surfaces can become chemically reactive. This could be how they get us sick....
Categories: Health; Press Release; Water; Beizhan Yan; cs highlights; Lamont-Doherty Earth Observatory; microplastics; nanoplastics; research;

Mars moon mission set to launch with tech funded by Planetary Society on board

Planetary Society Weblog | 14 October, 2026
The first mission to land on a moon of Mars could launch as soon as Oct. 19, carrying with it a sample collection instrument that The Planetary Society helped develop....
Categories: None

Whose fault is it? Is it always Fair to Blame the San Andreas?

Geotripper | 13 October, 2026
Before I go much further, I want to stress how serious earthquakes are. It's not really a laughing matter if you live as I do in earthquake country. Millions of people have died from earthquakes in the last century or two, and they are still recovering bodies in Venezuela from the quake last June (6,500 dead so far with tens of thousands still missing).
Categories: California earthquake probabilities; California earthquakes; earthquake misconceptions; Great California ShakeOut; San Andreas fault; San Andreas reservoir;

Geology in Pop Culture - Volcanoes Part 1: Frankenstein

The Geology P.A.G.E | 13 October, 2026
Volcanos Part 1: Frankenstein (AKA the influence of volcanic eruptions)Volcanic eruptions have had many pop-culture influences over the years including influencing art, literature, and even music. We are going to look at three notable instances. The...
Categories: Geology in Art; Geology in Pop Culture; Geology Through Literature; Geology Through the Radio; volcano;

Critical Minerals, New Energy Sources and the Race for Resilience

State of the Planet | 12 October, 2026
At a Climate Week symposium, Columbia Engineering convened members of government, industry and academia to examine critical mineral supply chains and emerging energy sources....
Categories: Climate; Energy; Climate Week; Climate Week NYC; Columbia Engineering; Greeshma Gadikota; Lenfest Center; Lenfest Center for Sustainable Energy;

Making of the tidal canal, first half

Oakland Geology | 12 October, 2026
The great project to build the Oakland harbor in the inlet of San Antonio Creek -- the Estuary -- began with an act of Congress in 1873. It would rely on redirecting natural processes to serve human needs. The plan the federal engineers came up with, in 1874, depended on harnessing the daily tides to keep the shipping channels clean of the fine suspended mud that would otherwise fill up the harbor in a few decades. It was designed to collect and direct as much water as nature could provide.
Categories: Deep Oakland; Oakland streams and water;

Identifying and interpreting landforms in the field or from photographs and maps

Earth Learning Idea | 12 October, 2026
The new ELI for October is field based - 'Burbage Valley Part 2 - Landforms; identifying and interpreting landforms'.
Categories: Investigating the Earth;

Friday’s impromptu tortoise rescue

I was working away at my laptop Friday afternoon when the front doorbell rang. It was a guy asking me if I was missing a tortoise. I was not, but I was curious, so I went to go see what was up. The situation in a nutshell: a decent-sized male Sulcat...
Categories: stinkin' every thing that's not a sauropod; stinkin' turtles;

Why did the Road Cross the San Andreas Fault? 24 Years of Geologic Change (a new Update)

Geotripper | 11 October, 2026
2002 I've been leading geology field studies trips to lots of places in the American West for 38 years and started to take digital pictures in 2001. I sometimes struggle to find new things to photograph when I visit a place for the 38th time, but ...
Categories: None

Altman to humanity: Accept some bad things to get benefits of AI

Resource Insights | 11 October, 2026
The leader of the most visible company hawking the future of artificial intelligence (AI), Sam Altman, CEO of OpenAI, told Politico a little over a week ago that "the world should accept some bad things happening for the benefits ...
Categories: None

250+ years of CET (Central England Temperature)

Open Mind | 11 October, 2026
The longest continuous regional temperature record in the world is Central England Temperature, a.k.a. CET (data available here). It reports the mean temperature over a large region of central England, giving monthly averages since 1659, daily values...
Categories: climate change; Global Warming;

Two more landfalls expected this weekend, both on Mexico’s Pacific coast

Eye On the Storm | 10 October, 2026
Cat 4 Simon eyes Puerto Vallarta, while Tropical Storm Rachel heads for Baja California before hauling moisture into the U.S. Southwest....
Categories: Eye on the Storm; Feature Article; Weather Extremes; Bob Henson; hurricane; Jeff Masters;

How climate change worsened Hurricane Isaias

Eye On the Storm | 10 October, 2026
Climate Central says climate-warmed Gulf waters made Isaias's winds 7 mph stronger than they otherwise would have been. This would result in over a doubling of the hurricane's damages, because of the exponential rise in damage with winds....
Categories: Eye on the Storm; Feature Article; Weather Extremes; hurricane; Jeff Masters;

Category 3 Hurricane Isaias closes in on the Florida Panhandle

Eye On the Storm | 9 October, 2026
The first major Atlantic hurricane of 2026 threatens the Gulf Coast with a storm surge of up to 9 feet, damaging winds, flooding, and tornadoes, with impacts spreading across the Southeast on Saturday. With the Tropical Storm Watch on the West Coast ...
Categories: Eye on the Storm; Feature Article; Weather Extremes; Bob Henson; hurricane; Irene Sans; Jeff Masters;

September 2026: 2nd-hottest September for Earth, hottest for the U.S.

Eye On the Storm | 9 October, 2026
Record-high temperatures in September encompassed the largest area of the globe for any month since records began....
Categories: Eye on the Storm; Feature Article; Weather Extremes; Bob Henson; Heat; Jeff Masters;

Born from fire

Planetary Society Weblog | 9 October, 2026
A NASA spacecraft bakes in a furnace, a planet possibly forms from its dying star, and a cloud arises by a Mars volcano....
Categories: None

How Do We Make COP32 Deliver on Climate Goals?

State of the Planet | 9 October, 2026
As COP31 and COP32 approach, a Climate Week panel brought together climate leaders to discuss how the world can turn Paris promises into action....
Categories: Climate; Poverty / Development; Sustainability; Alexis Abramson; Climate Week; Climate Week NYC; COP; COP32; cs highlights; events; Jeffrey D. Sachs; Lisa Sachs;

What happens to monsoon raindrops before they reach the ground?

EGU Geolog | 9 October, 2026
Using stable isotopes to uncover a hidden step in Earth's water cycle The Indian summer monsoon transforms South Asia's landscape. Rivers swell, reservoirs replenish, crops receive life-sustaining water, and millions await relief after months of ...
Categories: Atmospheric Sciences; ACP; Atmospheric chemistry; isotopes; rain;

Hurricane Isaias steadily intensifying over record-warm Gulf waters

Eye On the Storm | 8 October, 2026
The most likely landfall intensity of Isaias has an unusually large range, from a strong tropical storm to a strong Category 2 hurricane....
Categories: Eye on the Storm; Feature Article; Weather Extremes; Bob Henson; hurricane; Jeff Masters;

Lamont Researchers Receive Major Earth Science Honors from the American Geophysical Union

State of the Planet | 8 October, 2026
Five Lamont scientists received major 2026 honors recognizing research on sea-level change, ocean carbon uptake, seafloor mapping and Earth's deep interior. William B. F. Ryan receives the Maurice Ewing Medal; Jacqueline Austermann, Gisela Winckler...
Categories: Climate; Earth Sciences; AGU Fellows; American Geophysical Union; Bill Ryan; climate change; climate science; Galen McKinley; Jacqueline Austermann; Lamont-Doherty Earth Observatory;

Robots in the Arctic: An autonomous adventure to Greenland’s outlet glaciers

Research cruises are a fundamental part of the cryospheric sciences. As the Arctic warms, the systems that shape our world look much different from one season to the next, making it more critical than ever to measure the changes of our icy world. Here, three early-career researchers share insights from a cruise they took part of this summer aboard the RRS Sir David Attenborough as part of a British Antarctic Survey campaign. 
Categories: Cryo Adventures; Fieldwork; glacier; Greenland; ROV; solar eclipse;

What’s in a Ukrainian Bean?

Icy Seas | 7 October, 2026
Marta presented me with a living family heirloom during my 2025 visit to Lviv, Ukraine: The small satchel she gave me contained the 15 small black and 21 large white beans shown below. The seeds came to me with a 100-year old story, they left Ukraine...
Categories: Germany; health; History; travel; Ukraine; Bremerhaven; gardening; Heirloom Beans; permaculture; Urban Gardening; urban-farm; vegan;

Strengthening Isaias expected to hit the U.S. Gulf coast Friday as a hurricane

Eye On the Storm | 7 October, 2026
Isaias is expected to quickly strengthen into the season's first hurricane by early Thursday - the latest first-forming Atlantic hurricane in reliable records by a wide margin....
Categories: Eye on the Storm; Feature Article; Weather Extremes; Bob Henson; hurricane; Jeff Masters;

Study Links NYC Congestion Pricing Policy to Cleaner Air In Lower Manhattan

State of the Planet | 7 October, 2026
One year after NYC launched its congestion pricing policy, fine particulate pollution inside Manhattan's congestion relief zone was 13 percent lower, according to a new analysis....
Categories: Health; Press Release; Urbanization; air pollution; congestion pricing; cs impacts; Dan Westervelt; Lamont-Doherty Earth Observatory; New York City; Pollution; research;

Mars’ lost oceans: Inside the new planetary hydrology model published in EGU’s Geoscientific Model Development (GMD)

EGU Geolog | 7 October, 2026
If we look at Mars today, we'll see a cold, dusty desert, but peel back the surface geology, and the planet tells quite a different story! Networked river valleys, ancient deltaic fans, carved impact crater lakes, and potential palaeoshorelines all...
Categories: Geomorphology; Geoscientific Methods; Hydrological Sciences; Planetary and Solar System Sciences; Publications; Geoscientific Model Development; GMD; hydrology; Mars;

Latest: Are “steady-state” systems ahistorical?

Latest: Sabrina Koetter is defending her MS thesis: “Clarity for Lakes and Communities: Understanding the Communication Practices and Role Perceptions of Volunteer Lake Monitors”

Latest: New Paper: an innovative cycle-based learning approach to teaching with analog sandbox models

Latest: Why I went on strike over civil servant pay

Latest: Going underground #1 – flint and brick

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