How Lost Hikers Can Send an SOS to Space

How Lost Hikers Can Send an SOS to Space

These instruments, part of the National Oceanic and Atmospheric Administration’s Search and Rescue Satellite-Aided Tracking program (Sarsat), picked up the signal and immediately pinged alerts to Earth.

The Pandemic Gave Scientists a New Way to Spy on Emissions

The Pandemic Gave Scientists a New Way to Spy on Emissions

For example, they can add up how much gasoline is being burned and how many fossil fuel power plants are running at a given time, to calculate how much carbon is being exhaled into the atmosphere.

The Concrete Jungle Is Turning Green Again

The Concrete Jungle Is Turning Green Again

Their city eventually grew to more than twice Uruk’s population, and today Anuradhapura is one of the world’s oldest continuously inhabited cities and still cares for a tree planted over 2,000 years ago.

Why You (and the Planet) Really Need a Heat Pump

Why You (and the Planet) Really Need a Heat Pump

Or, in the winter, a heat pump can warm a building by operating as a sort of “reverse refrigerator,” extracting heat from even cold outdoor air and bringing it inside.

Ukraine Is in an Environmental Crisis Too

Ukraine Is in an Environmental Crisis Too

The health effects of these kinds of wartime incidents are likely to be felt long after the physical conflict subsides, says Doug Weir, director of research and policy at the UK-based Conflict and Environment Observatory.

Air Pollution May Keep Insects From Stopping to Smell the Flowers

Air Pollution May Keep Insects From Stopping to Smell the Flowers

Compared to the control, the number of flower landings decreased by 89 percent for diesel, 83 percent for ozone, and 90 percent for both.“Our results suggest that air pollution is another potential stressor to add to the growing pressures on pollinators”—a list that already includes disease, habitat loss , and pesticides, says lead author James Ryalls, a research fellow studying the chemical ecology of plant-insect interactions.

Energy Firms Are Going ‘Green’ by Offloading Dirty Coal Plants

Energy Firms Are Going ‘Green’ by Offloading Dirty Coal Plants

The state-owned company had been under pressure from the Swedish government to lower its carbon footprint by getting rid of the power plants and their coal pits, which sprawl across a vast stretch of eastern Germany close to the Polish border.

Battery-Powered Trains Are Picking Up Speed

Battery-Powered Trains Are Picking Up Speed

Last fall, researchers from Lawrence Berkeley National Laboratory and UCLA’s Institute of the Environment and Sustainability predicted that retrofitting traditional diesel locomotives with battery power could save railroads $94 billion in fuel costs over 20 years, after buying the batteries, and would keep tons of pollutants out of the air.

Thousands of Planes Are Flying Empty and No One Can Stop Them

Thousands of Planes Are Flying Empty and No One Can Stop Them

Lufthansa, Germany’s national airline, which is based in Frankfurt, has admitted to running 21,000 empty flights this winter, using its own planes and those of its Belgian subsidiary, Brussels Airlines, in an attempt to keep hold of airport slots.

Earth’s Oceanography Helps Demystify Jupiter’s Flowing Cyclones

Earth’s Oceanography Helps Demystify Jupiter’s Flowing Cyclones

Lia Siegelman had just been studying the swirling waters of the Southern Ocean, which surrounds Antarctica, when she happened to come across a poster image of cyclones around Jupiter’s north pole, taken by NASA’s Juno spacecraft .

To Fight Climate Change, First You Need to Measure It

To Fight Climate Change, First You Need to Measure It

The aim is to determine the relative concentration of different methane molecules and gain a better understanding of where the pollutants are coming from, explains Emmal Safi, a higher research scientist at NPL.Boreas is one of dozens of unique pieces of equipment measuring pollutants at NPL.

The Quest to Trap Carbon in Stone—and Beat Climate Change

The Quest to Trap Carbon in Stone—and Beat Climate Change

“Thirty years down the road, this can be one of the largest industries on the planet,” enthused Gebald (slightly broader, curly brown hair).A nearby geothermal plant provides clean power to Climeworks' carbon capture facility.

Hotspot Watch - 3 December 2021

Hotspot Watch - 3 December 2021

The New Zealand Drought Index (NZDI) map below shows that dry conditions continued to be located in the Wairarapa, with slim area of very dry conditions now emerging along the eastern coastal strip.

Meet the Cyberpunk Albatrosses Scanning for Secret Explosions

Meet the Cyberpunk Albatrosses Scanning for Secret Explosions

“And you can’t put instruments on every single one of those volcanoes and be able to maintain them all the time.” But detectors hundreds of miles away can hear this eruptive infrasound just fine, and there is no risk they will be annihilated by volcanic fury.

RE:WIRED 2021: Neal Stephenson on Building and Fixing Worlds

RE:WIRED 2021: Neal Stephenson on Building and Fixing Worlds

“The idea that we could have a pandemic that by this point has killed going on twice as many Americans as died in World War II, and in a much shorter span of time, and yet there's still a sizable number of people in this country who don't even think it's real,” Stephenson told senior correspondent Adam Rogers today at RE:WIRED.

Biden’s FCC Picks Are a ‘Dream Team’ for Broadband Advocates

Biden’s FCC Picks Are a ‘Dream Team’ for Broadband Advocates

Biden will also fill the empty Democratic slot on the commission by nominating Gigi Sohn, a longtime consumer advocate who was an FCC official during the Obama years.

If Clouds Are Made of Water, How Do They Stay in the Air?

If Clouds Are Made of Water, How Do They Stay in the Air?

If it's near the surface of the Earth, this force has a magnitude equal to the product of the mass of air (m) and the gravitational field (g = 9.8 newtons per kilogram).The buoyancy force is actually the result of the air around the cube pushing against it in all directions.

Opening windows and doors “one of the best ways” to remove Covid-19 from classroom air

Opening windows and doors “one of the best ways” to remove Covid-19 from classroom air

One of the best ways to reduce the likelihood of Covid-19 being transmitted in Aotearoa New Zealand classrooms is simply by opening doors and windows to create natural ventilation, say NIWA air quality experts.

Microplastics May Be Cooling—and Heating—Earth’s Climate

Microplastics May Be Cooling—and Heating—Earth’s Climate

The good news is that microplastics may be reflecting a tiny bit of the sun’s energy back into space, which would actually cool the climate ever so slightly.

Carbon-Capturing Sunglasses Offer a View of Fashion's Future

Carbon-Capturing Sunglasses Offer a View of Fashion's Future

Nike, which says 70 percent of its emissions are wrapped up in its materials, is one of many large fashion brands that have committed to reducing its greenhouse gas emissions by at least 30 percent by 2030.Herrema said the idea that would eventually lead to AirCarbon came to him while he was at Princeton in the early 2000s.

Deadly Heat Is Baking Cities. Here’s How to Cool Them Down

Deadly Heat Is Baking Cities. Here’s How to Cool Them Down

“So that means less clean air coming into the city, which would tend to make pollutant concentrations higher,” says Ban-Weiss, plus the loss of the breeze that itself keeps people cool.

The (Very Slow) Race to Move Forests in Time to Save Them

The (Very Slow) Race to Move Forests in Time to Save Them

In California, where I live, climate change helped kill nearly 62 million trees in 2016 alone, and last year, 4.2 million acres of our state burned.

Oh Good, Now There's an Outbreak of Wildfire Thunderclouds

Oh Good, Now There's an Outbreak of Wildfire Thunderclouds

Last week, the US Naval Research Laboratory held a very 2021 press conference, in which scientists reported a very 2021 outbreak of “smoke thunderclouds.” Catastrophic wildfires, exacerbated by catastrophic climate change , had produced a rash of pyrocumulonimbus plumes over the western United States and Canada, known in the scientific vernacular as pyroCb.

This Software Aims to Make Your Flight Smoother—and Help the Planet

This Software Aims to Make Your Flight Smoother—and Help the Planet

That’s because airplane engines are designed to operate in the air, says Hamsa Balakrishnan, a professor of aeronautics and astronautics at MIT who studies airport operations.As a result, “there’s a lot of inefficiency that gets built in,” says Balakrishnan, the MIT professor.

Baby Poop Is Loaded With Microplastics

Baby Poop Is Loaded With Microplastics

The finding comes a year after another team of researchers calculated that preparing hot formula in plastic bottles severely erodes the material, which could dose babies with several million microplastics a day , and perhaps nearly a billion particles a year.

Why Does Asthma Get Worse at Night?

Why Does Asthma Get Worse at Night?

Hundreds of years later, scientists were finding evidence that backed him up: A study from 2005 showed that nearly 75 percent of people with asthma experience worse attacks at night.In one experiment, called the “constant routine protocol,” participants sat in bed for 38 hours without being allowed to sleep.

These Deepfake Voices Can Help Trans Gamers

These Deepfake Voices Can Help Trans Gamers

More than 100 people asked if the technology could ease the dysphoria caused by a mismatch between their voice and gender identities.“We realized many people don’t feel they can participate in online communities because their voice puts them at greater risk,” Pappas, Modulate’s CEO, says.

The ’60s-Inspired Island in 'Deathloop' Is Worth a Closer Look

The ’60s-Inspired Island in 'Deathloop' Is Worth a Closer Look

Mitton says that the art team looked to things like the photos from the book “Lair: Radical Homes and Hideouts of Movie Villains” for inspiration.

8 Cool US Mammals You Haven’t Seen

8 Cool US Mammals You Haven’t Seen

The popularity of the news coverage is also in part because most people have never seen one, although the spotted skunk has a fairly wide range across the United States and well into Central America.

Facebook’s New Camera Glasses Are Dangerously Easy to Use

Facebook’s New Camera Glasses Are Dangerously Easy to Use

(Giaia Rener, Ray-Ban's global brand director, even describes them as "the first smart glasses you're going to want to wear.")If you ignore the fact that they have cameras and wireless connectivity, Ray-Ban Stories are just a pair of Wayfarers.