News and Updates

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An open gray box filled with circuitry, wires, sensors and a single-board computer sits outside on a lawn.

Spotlight: Monitoring Carbon Dioxide Measurements During a Solar Eclipse

April 22, 2024

Researchers were curious as to whether their sensors would detect any changes to the concentration of CO2 during the eclipse.

NIST Upgrades Tech for Monitoring Methane Emissions

January 16, 2024

Understanding and accurately measuring greenhouse gas emissions can help policymakers to craft better-informed policies to reduce them.

A man wearing safety glasses and sitting at a computer workstation reaches into a box with wiring and circuitry.

Spotlight: Measuring a City’s Carbon Footprint With NIST Researcher Tyler Boyle

September 25, 2023

The path that brought Tyler Boyle to NIST has been anything but straight and predictable.

Landscape view of buildings and lasers scanning the atmosphere

NIST Laser ‘Comb’ Systems Now Measure All Primary Greenhouse Gases in the Air

June 30, 2021

Researchers at the National Institute of Standards and Technology (NIST) have upgraded their laser frequency-comb instrument to simultaneously measure three...

Carbon Dioxide Sensors in 2 Urban Areas Registered Big Drop in Emissions During COVID-19 Pandemic

June 7, 2021

Carbon dioxide emissions in Los Angeles fell 33% in April of 2020 compared with previous years, as roads emptied and economic activity slowed due to the COVID...

Man standing next to equipment on top of building during a sunset.

Commerce Building Now Part of NOAA, NIST Weather and Greenhouse Gas Tracking Network

April 19, 2021

The National Oceanic and Atmospheric Administration (NOAA) and the National Institute of Standards and Technology (NIST) have installed a Doppler lidar...

Illustration shows cows in field with laser and fiber paths around the edges.

NIST ‘Agricomb’ Measures Multiple Gas Emissions From … Cows

March 31, 2021

After the optical frequency comb made its debut as a ruler for light, spinoffs followed, including the astrocomb to measure starlight and a radar-like comb...

Four people stand around an instrument on a tripod next to the open door of a white van.

Spotlight: Measuring the Atmosphere’s Volatile Organic Compounds

January 23, 2021

Investigating colors in the wind — NIST researchers expand beyond a current spectroscopy technique for measuring greenhouse gases to now detect volatile organic...

Spotlight: From the Alaskan Wilderness to the NIST State-of-the-Art Labs

September 25, 2020

Over the course of seven years, recent postdoctoral researcher Michelle Bailey went from spending summers in the Alaskan wilderness to pushing boundaries in...

NIST Presents First Real-World Test of New Smokestack Emissions Sensor Designs

June 26, 2019

In collaboration with industry, researchers at the National Institute of Standards and Technology (NIST) have completed the first real-world test of a...

A man in brown camouflage clothing, including baseball cap, gloves and ear protection, uses a long pole to clean the inside of an HVAC unit outside a military tent.

NIST Study Identifies Chemical Blends as Possible Alternative Refrigerants

May 29, 2019

More than a dozen chemical blends could serve as alternative refrigerants that won’t heat the atmosphere as much as today’s refrigerants do, or catch fire...

In this illustration, a gas well field has a circle on it. A dual-comb spectrometer at the center sends out laser light which bounces off mirrors, goes through a gas cloud and returns to the spectrometer for analysis.

Mobile ‘Dual-Comb’ Device Significantly Improves Methane Leak Detection

March 22, 2018

Accurately detecting, locating and quantifying leaks of methane, the main component of natural gas and a major fuel source worldwide, is critically important...

photo of brass-colored measuring instrument

New Method for Identifying Carbon Compounds Derived from Fossil Fuels

September 12, 2017

Scientists at the National Institute of Standards and Technology (NIST) have developed a laboratory instrument that can measure how much of the carbon in many...

NIST/CU Team Launches ‘Comb and Copter’ System to Map Atmospheric Gases

June 23, 2017

Researchers from the National Institute of Standards and Technology (NIST) and the University of Colorado Boulder have demonstrated a new mobile, ground-based...

NIST Quest for Climate-Friendly Refrigerants Finds Complicated Choices

February 17, 2017

BOULDER, Colo. – Researchers at the National Institute of Standards and Technology (NIST) have just completed a multiyear study to identify the “best”...

JILA Team Spots Elusive Intermediate Compound in Atmospheric Chemistry

October 27, 2016

BOULDER, Colo.-- JILA physicists and colleagues have identified a long-missing piece in the puzzle of exactly how fossil fuel combustion contributes to air...

New Chip-Based Sensor Finds Power in Versatility

April 26, 2016

Whether you're using a landline or cell phone, there's a good chance that the signal spends at least some time traveling over fiber-optic cables. To ensure that...

Mountaintop Sensor Finds High Methane over LA

January 14, 2015

From NASA's Jet Propulsion Laboratory, Jan. 13, 2015 A study using two years of observations from a novel mountaintop instrument finds that Los Angeles' annual...

Taking the Wraps off NISTAR

December 2, 2014

The NIST Advanced Radiometer (NISTAR), mothballed for more than a decade, is slated to make its space debut very soon about 1.5 million kilometers sunward of...

Earth Science: Seeing the Surface Clearly

November 24, 2014

Satellite observation has revolutionized our understanding of terrestrial conditions and climate dynamics. But the measurement science is extremely demanding...

Photo illustration of NIST experiment using a pair of laser frequency combs

NIST 'Combs' the Atmosphere to Measure Greenhouse Gases

October 29, 2014

By remotely "combing" the atmosphere with a custom laser-based instrument, researchers from the National Institute of Standards and Technology (NIST), in...

NIST Megacities Carbon Project Named 'Project to Watch' by United Nations

September 15, 2014

A greenhouse gas field measurement research program developed by scientists at the National Institute of Standards and Technology (NIST) and several...

EUV Calibrations for Satellite Sensors

August 25, 2014

Thanks to precision calibration measurements recently performed at NIST, satellites may soon be looking at sunlight with new and improved vision. On July 22...

High school student Jessica Young checking the packing density of random aggregates of plastic spheres in a cylinder.

Snowballs to Soot: The Clumping Density of Many Things Seems to Be a Standard

June 10, 2014

Particles of soot floating through the air and comets hurtling through space have at least one thing in common: 0.36. That, reports a research group at the...

A New NIST Online Database: The NIST Polycyclic Aromatic Hydrocarbon Structure Index

January 6, 2014

Recently, a new website containing a wealth of information on polycyclic aromatic hydrocarbons (PAHs) was made publicly available by NIST. PAHs are compounds...

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