Three Ways To Reduce the Carbon Footprint of American Food
Most consumers want to make food purchases that are smart for their wallets, their health, and the environment. And while switching to a vegetarian or…
Greenhouse Gas News
Methane Observatory Launched To Boost Action on Powerful Climate-Warming Greenhouse Gas
The UN Environment Program (UNEP), with support from the European Union, today launched a new Observatory to drive action on reducing methane emissions – a…
Making Air Travel Greener, With Some Help From Space
Air passengers will soon be able to cut their carbon footprint when traveling on flights that are routed using satellites. An agreement signed today between…
UN: Long-Term Outlook Bleak for Building Sector CO2 Emissions Despite COVID Pandemic Dip
The economic consequences of the COVID-19 pandemic caused CO2 emissions from buildings and construction to fall significantly in 2020, but a lack of real transformation in…
Scientists: By 2500 Earth Could Be Alien to Humans
Climate projections should not stop at year 2100. To fully grasp and plan for climate impacts under any scenario, researchers and policymakers must look well…
Paradox of the Young Weak Sun: Extreme CO2 Greenhouse Effect Heated Up the Young Earth
Although sun radiation was relatively low, the temperature on the young Earth was warm. An international team of geoscientists has found important clues that high…
Researchers Are Toilet-Training Cows – Here’s Why
On a farm where cows freely relieve themselves as they graze, the accumulation and spread of waste often contaminates local soil and waterways. This can…
Mapping Methane Emissions in California Using Precision Instruments and Machine-Learning
Using precision instruments and new mapping and machine-learning tools, a research team has been pinpointing sources of the greenhouse gas. In October 2016, an aircraft…
NASA at Your Table: Where Food Meets Methane and the Greenhouse Effect
Today, human sources are responsible for 60% of global methane emissions, coming primarily from the burning of fossil fuels, decomposition in landfills, and the agriculture…
Extensive Chains of Volcanoes Provides Safety Valve for Earth’s Long-Term Climate
Extensive chains of volcanoes have been responsible for both emitting and then removing atmospheric carbon dioxide (CO2), stabilizing temperatures at Earth’s surface. An international research…
Up to 95% of Ocean Surface Climates May Disappear by 2100 Due to Climate Change
Between 35.6% and 95% of 20th century ocean surface climates — defined by surface water temperature, pH, and the concentration of the mineral aragonite —…
Global Warming Simulation Reveals Possible End of El Niño/ La Niña Temperature Cycle
Highest resolution global warming simulation conducted to date reveals possible end of El Niño/ La Niña temperature cycle. The cycling between warm El Niño and…
More Emissions Expected From Oil Refineries in the Near-Term Future
A global inventory has revealed that CO2 emissions from oil refineries were 1.3 Gigatonnes (Gt) in 2018 and could be as large as 16.5 Gt…
“Blue” Hydrogen Is Supposed To Be Clean Energy, but May Actually Be Worse Than Gas and Coal
“Blue” hydrogen – an energy source that involves a process for making hydrogen by using methane in natural gas – is being lauded by many…
New Feedback Loops: Climate Change Will Transform Cooling Effects of Volcanic Eruptions
Researchers have shown that human-caused climate change will have important consequences for how volcanic gases interact with the atmosphere. The researchers, from the University of…
New Research Shows Just 25 Mega-Cities Produce 52% of the World’s Urban Greenhouse Gas Emissions
New research published by the open access publisher Frontiers inventories greenhouse gas emissions of 167 globally distributed cities. The study shows that just 25 mega-cities…
Laser “Comb” Systems Now Measure All Primary Greenhouse Gases in the Air
Scientists at the National Institute of Standards and Technology (NIST) have upgraded their laser frequency-comb instrument to simultaneously measure three airborne greenhouse gases — nitrous…
“Agricomb” Measures Gas Emissions From … Cows
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…
