During coronavirus pandemic people travel less and make less pollution reducing global warming.
Actually...no. It hasn't.
What makes the breathtaking, planetary-scale transformations wrought by the pandemic so unsettling is that none of it registers in the biggest picture. The photographs of clear skies, the charts of falling emissions, the change in daily behavior by billions of people—none of this will slow the dangerous pace of global warming.
The level of CO2 in the atmosphere, which drives our warming temperatures, has been rising steadily by an average of almost 2.5 parts per million a year since 2010. A significant cut in new emissions from 2020 won’t improve this all-important metric, now at 414 ppm. Even a 10% drop in emissions from this year would still translate to an increase of 2 ppm in the CO₂ count, according to estimates by Pierre Friedlingstein of the University of Exeter.
DO NOT look at books, or political stories, or opinion pieces. Look at planetary temperature data. It rises and falls over millenia, like tides.
Roman Empire? Warm period.
Black Plague? Cool period.
See also the Global Warming thread - there are plenty of links, articles, and references there.
WE have zero control over the planet. WE are insignificant. To think differently, is arrogance on a grand scale. The planet does what the planet will do, based on its own internal rhythms, based on cosmic push/pull, and based on forces that are LARGER than it is - not forces SMALLER than it is (i.e. human beings).
Like George Carlin said - the planet will shake us off like a case of fleas when it gets sick of us.
But...temperature swings are only on the order of one or two degrees. Whatever happens...we won't "bake". We'll just get less snow. For a while. Then, the cooling cycle will kick in (remember "next ice age" / "global cooling" threats from the '70s?), and we'll get more snow. Again.
We actually can destroy the planet using nuclear weapon, we can even crack the planet or change the planet orbit around the sun using nuclear power, so we are significant.
" I wanted to keep it for my book but it would have been “unthinkable” to keep it to myself if I thought there was a public health hazard, so there’s no public health hazard."
Tobacco Smoke Particle size are .01 to 4 microns. Soot is about the same range. Viruses are .005 to .3 microns. Viruses generally are smaller than smoke particles depending on the combustion product.
No. Non n95 masks do not stop viruses so they won’t stop smaller smoke particles either. If they did, firefighters would just pull their tshirts up over their faces, and not bother dragging around scott air packs.