article thumbnail

Progress Possible at COP 28 Despite Fossil Fuel Industry Deception

Union of Concerned Scientists

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. of its long-term investments to sources of low-carbon energy like wind and solar.

article thumbnail

The definitive CO2/CH4 comparison post

Real Climate

, but it inevitably brings forth a mish-mash of half-remembered, inappropriate or out-of-date comparisons between the impacts of carbon dioxide and methane. 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. Stocks and flows.

Insiders

Sign Up for our Newsletter

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.

article thumbnail

The CO2 problem in six easy steps (2022 Update)

Real Climate

For some parts of the spectrum, the IR can be either absorbed by CO 2 or by water vapour or by clouds, but taking those overlaps into account we find that 50% of the greenhouse effect is from water vapour, 25% from clouds, and about 20% from CO 2 and the rest absorbed by ozone, aerosols, and other trace gases ( Schmidt et al, 2010 ).

Radiation 316
article thumbnail

Reducing Your Greenhouse Gas Emissions

Greenbuilding Law

Direct emissions are produced from residential and commercial activities in a variety of ways: Combustion of natural gas and petroleum products for heating including water heating and cooking needs emits carbon dioxide (CO2), methane (CH4), and nitrous oxide (N2O). Coal consumption is today a minor component of direct energy use.

article thumbnail

Back in Black: Creating positive changes by focusing on a short-lived pollutant

HumanNature

Guest Post By Erin Boedicker , 2020-2021 Sustainability Leadership Fellow and Ph.D. Figure 1: Size reference for atmospheric particles (US EPA 2016) and a general structure of freshly created black carbon. June 25, 2020. AMAP Assessment 2015: Black Carbon and Ozone as Arctic Climate Forcers.” Arctic Council.

article thumbnail

U.S. Senate Hearing: Energy, Environmental Impacts Of Cryptocurrency Mining In Pennsylvania

PA Environment Daily

Despite these claims, burning waste coal is still just burning fossil fuel and results in the emissions of significant amounts of air pollution including ozone precursors, fine particulates, acid gasses, heavy metals, and vast amounts of carbon pollution.

article thumbnail

House Environmental Committee Sets May 1 Hearing On Cryptocurrency And Climate Change

PA Environment Daily

Despite these claims, burning waste coal is still just burning fossil fuel and results in the emissions of significant amounts of air pollution including ozone precursors, fine particulates, acid gasses, heavy metals, and vast amounts of carbon pollution.