Wed, Jan 20 2021

Can combining deep learning (DL)— a subfield of artificial intelligence— with social network analysis (SNA), make social media contributions about extreme weather events a useful tool for crisis managers, first responders and…

Bill Pugsley “Social network analysis can identify where ​people get their information during an extreme weather event. by classifying thousands of tweets into fixed categories, for example, ‘infrastructure and utilities damage’ or ‘sympathy and emotional support’,”

Every year, weather enthusiasts eagerly watch and wait for signs that the polar vortex, a mass of cold air spinning around the Arctic, might meander south, sending cold and snow into the lower latitudes. Their wait might soon be over—and if…

Bill Pugsley it’s typically over Siberia or the North Atlantic that “zones” of warm air funnel up into the stratosphere.The warm air in the lower atmosphere, as well as cooler air, block the straight-flowing winds of the jet stream, like atmospheric bumper cars.

A 5% increase in particulate matter (PM2.5) pollution was associated with 9,700 additional premature deaths across the United States, according to a study conducted by researchers at Carnegie Mellon University. In the U.S, annual average levels of…

Bill Pugsley A 5% increase in particulate matter (PM2.5) pollution was associated with 9,700 additional premature deaths across the United States In the U.S, annual average levels of PM2.5 declined by 24% from 2009 – 2016 and then increased by 5% between 2016 – 2018.

There's good news and bad news about Canada's 2030 climate target. The good news is that for the first time, Canada has proposed a way to meet a climate target. The government's recently announced Healthy Environment and a Healthy Economy (HEHE)…

Bill Pugsley Canadian politicians have been promising to cut our too-high emissions for 30 years. And yet, all the climate laws enacted over those three decades are too weak to even knock our emissions back to the 1990 starting line, which was already too high.

The first Covid-19 lockdown had less impact on urban air quality than previously thought, according to a study led published in the journal Science Advances. In order to analyse air pollution data, researchers from the University of Birmingham used…

Bill Pugsley concentrations of PM2.5 decreased in all cities, except London and Paris.