article thumbnail

The CO2 problem in six easy steps (2022 Update)

Real Climate

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).

Radiation 353
article thumbnail

What is the Department of Transportation’s Greenhouse Gas Performance Measure, and Why Does it Matter?

Union of Concerned Scientists

Last week, the Federal Highway Administration finalized an important regulation–the greenhouse gas performance measure. Currently, only 24 states and the District of Columbia have laws requiring them to set targets and track their greenhouse gas emissions from transportation.

Insiders

Sign Up for our Newsletter

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

article thumbnail

Prepare for Another Dangerous Hurricane Season Predicted for 2022

Union of Concerned Scientists

For example, a recent review blog from NOAA stated that, despite many study findings, one “cannot confidently detect a trend today in observed Atlantic hurricane activity due to man-made (greenhouse gas-driven) climate change.”. Will 2022 surpass 2020 and 2021 in number of billion-dollar extreme weather events or hurricane-associated costs?

2022 363
article thumbnail

The Top-Ten Lower Court Decisions on Environmental Law

Legal Planet

The Supreme Court soon picked up on this language, and the concept was written into the law when Congress amended NEPA in 2022. Circuit decision that upheld EPAs finding emission of greenhouse gases endangers human health and welfare. It also upheld the Obama Administrations pathbreaking regulation of greenhouse gases from vehicles.

Law 227
article thumbnail

What’s Up With Water—September 13, 2022

Circle of Blue

Diplomats are already outlining the agenda for COP27, which is expected to go beyond traditional deliberations about ways to limit heat-trapping greenhouse gas emissions. The post What’s Up With Water—September 13, 2022 appeared first on Circle of Blue. And that’s “What’s Up With Water” from Circle of Blue, where water speaks.

2022 245
article thumbnail

Who Were the Worst of the Worst Climate Polluters in 2022?

Inside Climate News

EPA’s annual greenhouse gas report for large emitters show some facilities slashed their emissions while others polluted more than ever. By Phil McKenna Emissions from the largest greenhouse gas emitters in the U.S. By Phil McKenna Emissions from the largest greenhouse gas emitters in the U.S.

2022 145
article thumbnail

WMO: Update on 2023/4 Anomalies

Real Climate

As well as the (now) standard set of graphs related to increasing greenhouse gas concentrations , rising temperatures , reducing glacier mass, etc., since the 1850-1900 baseline is very clearly associated with the increases in greenhouse gases, slightly (and decreasingly) modulated by the changes in atmospheric pollution.

2023 212