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A Quick Science Refresher on Greenhouse Gas

Greenbuilding Law

With the federal government and state of Maryland each having announced within days of each other, the mandated disclosure of greenhouse gas (GHG) emissions, we have received, maybe not surprising, many calls in the last two weeks inquiring “what are GHGs?” Simply put, gases that trap heat in the atmosphere (.

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The CO2 problem in six easy steps (2022 Update)

Real Climate

Step 1: There is a natural greenhouse effect. This means that there is an upward surface flux of IR around (~398 W/m 2 ), while the outward flux at the top of the atmosphere (TOA) is roughly equivalent to the net solar radiation absorbed (~240 W/m 2 ). Step 2: Trace gases contribute to the natural greenhouse effect.

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New Bill Targets Carbon Dioxide Pipeline Leaks

Legal Planet

These risks aren’t hypothetical: A leak from a carbon dioxide pipeline already caused serious health harms in Satartia, Mississippi, where 45 people were hospitalized following a pipeline rupture in early 2020. You might be familiar with carbon dioxide as a greenhouse gas that contributes to climate change.

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New report: As climate crisis worsens, federal government continues to give billions in subsidies and financing for fossil fuels

Enviromental Defense

Unceded Algonquin Anishinaabe Territories [Ottawa, ON] – A new report released today by Environmental Defence, Buyer Beware: Fossil Fuel Subsidies and Carbon Capture Fairy Tales in Canada , reveals Canada’s federal government provided at least $8.6 2021 was a horrific year for people in Canada and around the world.

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The definitive CO2/CH4 comparison post

Real Climate

So this is an attempt to put all of that in context and provide a hopefully comprehensive guide to how, when, and why to properly compare the two greenhouse gases. In 2020, CO 2 was at ~410 parts per million, while CH 4 was around 1870 parts per <it>billion</it> (or 1.87 Historical comparisons. W/m 2 for CH 4.

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Methane emissions rose in 2023 despite reduction initiatives

A Greener Life

By Anders Lorenzen The emissions from methane , a powerful greenhouse gas (GHG) with 80 times the warming potential of carbon dioxide (CO2) rose in 2023 despite several pledges and initiatives to reduce emissions. Graph credit: IEA.

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A Summer Job, Record Heat, Climate Hope

Legal Planet

And it’s been one month since the Montana First District Court determined that the state of Montana had indeed violated Montana youth’s right to a “clean and healthful environment” by collaborating with the fossil fuel industry. But the historic decision is still reverberating around the country, and I am still reflecting on it.