A Natural Experiment in the Sky: Shipping, Clouds, and Climate

Shipping pollution changed clouds. What can scientists learn? What happens when cleaner shipping fuel suddenly changes the atmosphere above the ocean? In this episode of Oceanography, meteorologist Dr. Michael Diamond explains how shipping pollution, cloud formation, and climate are connected, and how a major fuel regulation and disrupted global shipping routes created a rare natural experiment for scientists. The conversation explores aerosols, sulfur pollution, cloud brightening, and what these real-world changes can teach us about marine climate intervention, including marine cloud brightening and solar geoengineering. If you want to understand how human activity is already shaping clouds, warming, and climate policy, this episode offers a grounded, fascinating look at one of the most complex questions in climate science.

Support our science communication directly by donating to Pine Forest Media or directly on PayPal

Episode Guests: Dr. Michael Diamond

Find Dr. Diamond’s published article on the impacts of the IOM regulation and preprint on the impacts of a changed shipping route.

Review Dr. Diamond’s publications on Google Scholar

Listen to Pine Forest Media’s NEWEST PODCAST GREEN FREQUENCY

Episode Transcript and more information on the Pine Forest Media website

Follow Pine Forest Media on Instagram @pineforestmedia

Hosted, produced, and edited by Clark Marchese

Cover art by Jomiro Eming

Theme music by Nela Ruiz

Find some more Pine Forest Media podcasts below

Listen to Plastic Podcast on Spotify or Apple Podcasts

Listen to South Pole on Spotify or Apple Podcasts

Listen to Something in the Water on Spotify or Apple Podcasts

Hosted on Acast. See acast.com/privacy for more information.

Denne episoden er hentet fra en åpen RSS-feed og er ikke publisert av Podme. Den kan derfor inneholde annonser.

Episoder(40)

How many species are there in the sea? with Dr. Manuel Callebar Guiterrez

How many species are there in the ocean? Marine biologist and taxonomist Manuel Caballero Gutierrez joins Oceanography to explore one of the biggest unanswered questions in marine science: how much l...

26 Mai 23min

Hadal Zone Master Class with Professor Alan | Deep Sea Pod Feed Drop

What happens at the deepest points of the ocean? This week on Oceanography, we’re sharing a special feed drop episode from Deep Sea Pod, hosted by Thomas Linley and Alan Jamieson — two scientists man...

19 Mai 46min

A New Earth Radio Show

Where does climate change stand in 2026? This week on Oceanography, we’re bringing you a special crossover from Green Frequency: a new Earth Radio show from Pine Forest Media exploring environmental s...

12 Mai 31min

Elephant Seals Can Be Scientists Too

Elephant seals are helping map the Southern Ocean. This week on Oceanography, we’re sharing a special crossover episode from South Pole, another Pine Forest Media series focused on Antarctic science a...

5 Mai 52min

Solar Geoengineering: Who Gets to Decide? with Hassaan Sipra

Solar geoengineering is a justice question. As sunlight reflection methods move from theory toward real-world research, who gets to decide what happens next? This episode explores the justice and gove...

28 Apr 1h 5min

SAI: Should We Reflect More Sunlight to Cool the Earth? with Dr. Kelsey Roberts

Could reflecting sunlight help cool the Earth? Stratospheric aerosol injection, or SAI, is a proposed climate intervention that aims to reduce global temperatures by reflecting a small portion of inco...

14 Apr 1h 11min

MCB: Can Brighter Clouds Cool the Planet? with Dr. Jessica Wan

Can brighter clouds cool Earth? Marine cloud brightening (MCB) is a proposed solar radiation modification strategy that could reflect sunlight, cool ocean regions, and potentially reduce dangerous hea...

7 Apr 51min