BartSimpson BartSimpson:
This must be a lie. I have it on good authority that the world is warming and that it's right now so hot that polar bears are STARVING in Canada because they can't get out on the ice to hunt!
$1:
It’s cold outside. Get ready for the Trump global warming tweet
In a post to Twitter, the president wrote: “In the East, it could be the COLDEST New Year’s Eve on record. Perhaps we could use a little bit of that good old Global Warming . . .”
Kendra Pierre-Louis
By The New York Times
Thu., Dec. 28, 2017
With unusually frigid weather gripping much of the Eastern United States this week, President Donald Trump took to Twitter on Thursday to cast doubt on the reality of climate change, but he appeared unaware of the distinction between weather and climate.
In his post, Trump wrote: “In the East, it could be the COLDEST New Year’s Eve on record. Perhaps we could use a little bit of that good old Global Warming that our Country, but not other countries, was going to pay TRILLIONS OF DOLLARS to protect against. Bundle up!”
Indeed, parts of the East Coast are bracing for record-breaking New Year’s Eve temperatures. New York City, for example, is forecast to experience its coldest New Year’s temperatures since the 1960s. But Trump’s tweet made the common mistake of looking at local weather and making broader assumptions about climate.
Climate refers to how the atmosphere acts over a long period of time, while weather describes what’s happening on a much shorter time scale. The climate can be thought of, in a way, as the sum of long periods of weather.
Or, to use an analogy Trump might appreciate, weather is how much money you have in your pocket today, whereas climate is your net worth. A billionaire who has forgotten his wallet one day is not poor, anymore than a poor person who lands a windfall of several hundred dollars is suddenly rich. What matters is what happens over the long term.
On Thursday, parts of the United States were roughly 15 to 30 degrees Fahrenheit colder than average for this time of year. But the world as a whole was about 0.9 degrees Fahrenheit warmer than the average from 1979 to 2000.
And while climate scientists expect that the world could warm, on average, roughly 2 to 7 degrees Fahrenheit by the end of the century — depending on how fast greenhouse-gas emissions rise — they don’t expect that to mean the end of winter altogether. Record low temperatures will still occur, they’ll just become rarer over time.
Indeed, that’s already been happening. One 2009 study found that the United States saw roughly as many record highs as record lows in the 1950s. By the 2000s, there were twice as many record highs as record lows. Severe cold snaps were still happening, but they were becoming less common....
https://www.thestar.com/news/world/2017 ... tweet.html
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