Scientists’ annual checkup on Earth’s carbon cycle found that burning oil, coal, and natural gas is impeding progress to limit climate change.
Published Mar 5, 2024
Warm, wet weather in the Northern Hemisphere combined with COVID-19 lockdowns pushed the potent greenhouse gas to record levels.
Published Feb 14, 2023
Scientists track the sources of 97 million metric tons of methane emissions.
Published Jan 25, 2022
Using precision instruments and new mapping and machine-learning tools, a research team has been pinpointing sources of the greenhouse gas.
Published Sep 9, 2021
Ash and gas emissions continue from one of Mexico’s most active volcanoes.
Published Jan 6, 2021
Scientists know cities are major emitters of greenhouse gases, but tracking emissions remains a challenge.
Published Nov 11, 2015
Rapid growth from 2008–2017 built upon the rise in the atmospheric concentration of the gas that has been happening for more than a century.
Published Jul 15, 2020
Eruptions are dramatic, but continuous, low-level emissions of volcanic gas are an important input to the atmosphere.
Published Mar 10, 2017
Emissions maps tell the story of global oil markets.
Published Mar 22, 2017
Satellite data show that nitrogen oxide and carbon monoxide are not declining as much as projected by models.
Published May 31, 2018
In a year when global fire emissions were average, Canada and Indonesia endured unusually active fire seasons, while South America and equatorial Africa saw less burning than usual.
Published Aug 11, 2015
A pilot project has used satellite measurements to estimate emissions and removals of carbon dioxide in individual nations.
Published Mar 8, 2023
