2020 Carbon Dioxide Greenhouse Ozone 
Union of Concerned Scientists
DECEMBER 10, 2023
Global net anthropogenic greenhouse gas emissions 1990–2019. Global net anthropogenic greenhouse gas emissions include carbon dioxide from fossil fuel combustion and industrial processes, net carbon dioxide from land use, land use change and forestry, methane, nitrous oxide, and fluorinated gases.
Real Climate
SEPTEMBER 19, 2021
, but it inevitably brings forth a mish-mash of half-remembered, inappropriate or out-of-date comparisons between the impacts of carbon dioxide and methane. 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.
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Union of Concerned Scientists
DECEMBER 12, 2023
You got involved in a “waters of the United States” (WOTUS) case against the Trump administration EPA in 2020 that predated the Supreme Court ruling. SW: In 2020, the Trump administration narrowed the scope of the Clean Water Act by stripping protections from streams and wetlands.
Greenbuilding Law
AUGUST 7, 2022
As governments enact mandatory greenhouse gas emission laws and as businesses voluntarily make “net zero” pledges, we are increasingly working with organizations, first to understand and calculate their GHG emissions, then to implement strategies for efficacious yet frictionless reductions. Organic waste sent to landfills emits CH4.
Real Climate
JULY 10, 2022
Step 1: There is a natural greenhouse effect. Thus there must be a large amount of IR absorbed by the atmosphere (around 158 W/m 2 ) – a number that would be zero in the absence of any greenhouse substances. Step 2: Trace gases contribute to the natural greenhouse effect. The Earth’s Energy Budget (NASA).
Columbia Climate Law
MAY 8, 2020
EPA of a 2015 rule barring replacement of ozone-depleting substances with hydrofluorocarbons (HFCs), which are powerful greenhouse gases. Circuit vacated the 2015 rule to the extent that it prohibited continued use of HFCs by companies that previously switched to HFCs from an ozone-depleting substance. May 1, 2020).
Arnold Porter
JUNE 2, 2021
The SCC is a metric that seeks to capture all of the costs that emitting a ton of carbon dioxide (or equivalent amounts of other greenhouse gases such as methane) imposes on society by contributing to climate change over the hundreds of years it remains in the atmosphere. Biden , Civ. 4:21-cv-00287-SPM (E.D. March 8, 2021).]]
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