Record breaking aerosol index values from Canada forest fires – “These are remarkably high values”

By Colin Seftor 15 August 2017 (NASA) – I plan to post more about smoke from the fires burning both in Canada and Russia. But I did want to post this particular item. Over the last couple of days, OMPS has recorded the largest aerosol index values ever seen since TOMS measurements started in 1978 […]

Record-breaking smoke over Canada from British Columbia forest fires – “If and when the plume drifts over populated areas, it may turn day into night”

By Adam Voiland 15 August 2017 (NASA) – For more than a month, dozens of large fires have raged in British Columbia. Since early July 2017, wildfire has burned through coniferous forests stressed by heat, drought, and infestations of mountain pine beetles. In early August, another cluster of intense fires flared up in Northwest Territories […]

NOAA’s greenhouse gas index up 40 percent since 1990 – Carbon dioxide increase is accelerating

11 July 2017 (NOAA) – NOAA’s Annual Greenhouse Gas Index, which tracks the warming influence of long-lived greenhouse gases, has increased by 40 percent from 1990 to 2016 — with most of that attributable to rising carbon dioxide levels, according to NOAA climate scientists. [cf. Graph of the Day: NOAA annual greenhouse gas index (AGGI), […]

New heat wave bakes Southwest U.S.

By Dr. Jeff Masters 8 July 2017 (Wunderground) – After suffering through the most intense heat wave ever to affect the region so early in the year during mid-June, the Southwest U.S. is once again roasting in record heat. On Friday, Death Valley, California hit 127°–a tie with 20 June 2017 as the hottest temperature […]

Trump’s EPA chief recuses himself from climate, water rule cases

By Timothy Cama5 May 2017 (The Hill) – The head of the Environmental Protection Agency (EPA) is recusing himself from matters involving numerous major lawsuits he filed against his own agency. Scott Pruitt filed a recusal statement Thursday, saying that he will stay away from cases challenging the EPA’s Clean Power Plan, the Clean Water […]

Concurrent heat waves, air pollution exacerbate negative health effects of both

Irvine, California, 1 March 2017 (UCI News) – The combination of prolonged hot spells with poor air quality greatly compounds the negative effects of each and can pose a major risk to human health, according to new research from the University of California, Irvine. “The weather factors that drive heat waves also contribute to intensified […]

“The blob” of abnormal conditions boosted Western U.S. ozone levels in 2015

By Hannah Hickey15 February 2017 (University of Washington) – An unusually warm patch of seawater off the West Coast in late 2014 and 2015, nicknamed “the blob,” was part of an offshore pattern that had cascading effects up and down the coast. Its sphere of influence was centered on the marine environment but extended to […]

Idaho state Senator Dan Foreman thinks climate change is a liberal “scam”

By Betsy Z. Russell12 February 2017 (The Spokesman-Review) – Freshman Sen. Dan Foreman, R-Moscow, says he believes climate change is a liberal “scam” and “ridiculous nonsense.” The Lewiston Tribune reports that Foreman, who sent an email late last week forcefully stating his views on the topic in response to an email from an Idaho mom […]

Graph of the Day: NOAA annual greenhouse gas index (AGGI), 1700-2015

30 April 2016 (NOAA) – The annual greenhouse gas index (AGGI) is a measure of the warming influence of long-lived trace gases and how that influence is changing each year. The index was designed to enhance the connection between scientists and society by providing a normalized standard that can be easily understood and followed. The […]

In new ozone alert, a warning of harm to plants and to people – ‘We are on track to return to the maximum ethane levels we saw in the 1970s in only about three more years’

By Jim Robbins17 October 2016 (Yale e360) – For the last four years Jack Fishman, a professor of meteorology at St. Louis University, has guided the planting of five gardens in the Midwest, gardens that have a distinct purpose: to show the impacts of an invisible gas that is damaging and contributing to the premature […]

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