carbon dioxide

 
Study draws link between climate and weather—via jet stream

Study draws link between climate and weather—via jet stream

For some, the evidence of global warming is hard to accept, especially when it has been difficult to draw the link between individual storms and an increase in atmospheric greenhouse gasses. Now a new study by a climate scientist at Pennsylvania State University has done just that. By studying the... read more

November 5, 2018 by -
 
Smokestacks pollution air quality

Paris climate accords look more and more like fantasy; the reality could be far worse

President Trump has taken a lot of flack for pulling out of the Paris climate accords, claiming they were a bad deal for the country he leads. Perversely, the problem with... read more April 9, 2018 by


 
Flooded Car

Pruitt's EPA decision: 38-page intention vs 1,217 pages of analysis

While the name of EPA administrator Scott Pruitt is often preceded by "embattled" these days, his agency is now on record as rejecting its own recommendation of just 16... read more April 6, 2018 by


 
Flooded car in parking lot. Photo via Flickr user waitscm/CC2.0

EPA staffers told how to downplay climate change in leaked memo

EPA administrator Scott Pruitt would be controversial even if he hadn't flown to Morocco in December (first-class, on the taxpayer dime) to lobby the country on the benefits... read more March 30, 2018 by


 
Chrome exhaust pipe

EPA to ease emission limits, reports say, setting up clash with California

The omens have been accumulating for months, as bits of information dribble out of the regulatory rumor mill in Washington, D.C. Now we have the most concrete reports yet... read more March 26, 2018 by


 
National Plug-In Day 2012: San Francisco, with 60 Nissan Leafs in front of the Golden Gate Bridge

CA attorney general: we will fight looser fuel-economy, emission rules

Last Tuesday, EPA administrator Scott Pruitt said the agency does not intend to let California set the agenda for national emission limits on vehicles. He suggested to... read more March 19, 2018 by


 
Exhaust emissions from tailpipe [photo: Simone Ramella, 2005, used under Creative Commons 2.0]

Cutting carbon, meeting real-life emission tests, new electric cars to hurt profits, VW says

Well, that's awkward. At its annual media briefing on Wednesday, Volkswagen Group executives said the costs of meeting new emission tests in the EU, lowering carbon emissions... read more March 15, 2018 by


 
Chrome exhaust pipe

Pruitt won't let California set emission standards; EPA not looking at post-2025 rules

Now, it's war, in the words of California's lead emission regulator. In what Bloomberg News called a "wide-ranging interview" with EPA chief Scott Pruitt, he indicated the... read more March 14, 2018 by


 
1970s Los Angeles smog depicted in the Honda short film "Never Ending Race."

Cars now clean enough that household products rival them for air pollution

The first major emission controls on motor vehicles were introduced in 1975 with the advent of the catalytic converter. Today's cars emit less than 1 percent of the three... read more March 13, 2018 by


 
Electric-car wells-to-wheels emission equivalencies in MPG, Mar 2018 [Union of Concerned Scientists]

Electric cars got even cleaner in a year, new grid data shows

More good news about electric cars in the U.S.: the emissions associated with the electricity used to charge them have fallen. Again. Based on the latest data on powerplant... read more March 9, 2018 by


 
Global carbon dioxide emissions, 1850-2030 [CO2 Information Analysis Center, World Energy Outlook]

Clean energy won't happen, climate change will be bad: a contrarian perspective

The most recent detailed studies on the likely warming of Planet Earth are grim indeed, suggesting that we are collectively at "very high risk" for the most extreme effects... read more March 2, 2018 by


 
Donald Trump

How much does it matter that Trump officials deny climate science? Twitter poll results

It is now abundantly clear that the Trump administration in the U.S. is staffed with climate-science denialists and committed promoters for the greater extraction, sale, and... read more February 28, 2018 by


 
Mercedes-Benz SL-Class stalls in Maryland flash flood

Planet at "very high risk" for extreme warming, per leaked UN report; every 5-year delay matters

The processes of climate change don't care about politics. Or economics. Or public sentiment about science. Last December, an analysis showed the most accurate... read more February 23, 2018 by


 
Gas pump

NHTSA could cite safety of heavier cars in slashing CAFE rules: reports

It's been clear that under the Trump administration, the NHTSA and EPA plan to roll back linked fuel-economy rules and emission limits on new vehicles. Now a possible... read more February 14, 2018 by


 
2015 Hyundai Tucson Fuel Cell at hydrogen fueling station, Fountain Valley, CA

This one 11-year-old chart explains the problem with hydrogen fuel-cell vehicles

Today, there are roughly 750,000 plug-in electric vehicles on U.S. roads and about 3,800 powered by hydrogen fuel cells. Proponents of each type of vehicle argue strenuously... read more February 13, 2018 by


 
Flooded Cars 01

Trump to slash clean-energy funding 72 percent, lauds "beautiful clean coal"

If a marketer talked enthusiastically about "healthy delicious cyanide," what would you think? You may wish to apply those judgments to mentions of "beautiful clean coal" by... read more February 1, 2018 by


 

 
 

 
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