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greenhouse gases

Plot showing UV-induced emissions weighted global warming potential in CO2 equivalent for each greenhouse gas emitted from cell suspensions of 16 species of marine phytoplankton.
Posted inEditors' Highlights

Phytoplankton as Emitters of Greenhouse Gases

by Marguerite A. Xenopoulos 15 October 20217 October 2021

Phytoplankton remove carbon dioxide from the atmosphere; a new study reveals that marine phytoplankton can also produce greenhouse gases when exposed to ultraviolet radiation.

La atmósfera sobre las regiones remotas del océano alberga una química importante que controla el presupuesto global de metanol.
Posted inResearch Spotlights

Mejorando el presupuesto mundial para el metanol atmosférico

by David Shultz 8 June 20213 December 2021

Nuevos datos de exploración con aeronaves muestran que aunque la química atmosférica sobre regiones oceánicas remotas es una fuente considerable de producción de metanol, la emisión neta de metanol del océano es menor.

The atmosphere above remote ocean regions plays an important role in the global methanol budget.
Posted inResearch Spotlights

Improving the Global Budget for Atmospheric Methanol

by David Shultz 25 March 20213 December 2021

New aircraft survey data show that although atmospheric chemistry above remote ocean regions is a considerable source of methanol production, the ocean’s net methanol emission is minor.

The Trans-Alaska Pipeline stretches through a green, rural landscape.
Posted inNews

The Surprising Source of Greenhouse Gas Emissions

Sarah Derouin, Science Writer by Sarah Derouin 1 March 202129 September 2021

Changing the way emissions are tallied may help litigators focus on the worst climate offenders and shape mitigation.

Photograph of abandoned domestic refrigerators
Posted inEditors' Vox

Halocarbons: What Are They and Why Are They Important?

by Ø. Hodnebrog, K. P. Shine and T. J. Wallington 16 September 202013 February 2023

CFCs and other halocarbons have long been known for causing an ozone hole over the Antarctic, but many of them are also powerful greenhouse gases.

Two researchers look on as a water-sampling device hangs over the side of a research vessel during a cruise to study nitrous oxide emissions.
Posted inResearch Spotlights

Marine Nitrous Oxide Emissions off Northwest Europe

Aaron Sidder, freelance science writer by Aaron Sidder 17 June 202023 February 2023

Continental shelves and estuaries are natural sources of nitrous oxide, but current global estimates of these emissions carry a lot of uncertainty, a problem that calls for regional studies.

World map showing multi-model mean efficacy (ERFsst) distribution in the five-times sulfate aerosol concentrations or emissions experiment
Posted inEditors' Highlights

How Does Climate Respond to Different Forcings?

by Minghua Zhang 17 February 202013 February 2023

Global temperature responds in the same way to carbon dioxide as it does to methane or aerosol changes if the concept of effective radiative forcing is used to quantify the forcing strength.

Group photo of paleoclimatology proxy experts at a paleo-CO2 workshop
Posted inNews

2020 Hindsight: A Website for All Paleo-CO2 Data

by E. Malsbury 10 January 202014 June 2022

A new website will soon compile and display all ancient atmospheric CO2 data.

A synthetic seep generator for calibrating gas bubble echo sounding data is deployed into New Zealand’s Bay of Plenty.
Posted inScience Updates

Gas Bubble Forensics Team Surveils the New Zealand Ocean

by G. Lamarche, Y. Le Gonidec, V. Lucieer, Y. Ladroit, T. Weber, A. Gaillot, E. Heffron, S. Watson and A. Pallentin 26 September 201929 March 2023

An international research group recorded the acoustic signatures of gas bubbles rising from a hydrothermal vent field to gather clues about greenhouse gases escaping into the atmosphere.

Photomicrographs showing typical subpolar (left) and polar (right) foraminiferal assemblages
Posted inResearch Spotlights

Atlantic Circulation Consistently Tied to Carbon Dioxide

by David Shultz 25 September 20198 June 2022

Past ocean surface conditions suggest that over the past 800,000 years, atmospheric carbon dioxide levels typically rose on millennial timescales when Atlantic overturning was weaker and vice versa.

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