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Overall, winters are warming. On average the U.S. has seen winters warmed by 3 degrees Fahrenheit over the last half century. But "less cold" does not mean "never cold". https://www.climaterealityproject.org/blog/winter-weather-and-climate-crisis-explained
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The difference between weather and climate is the factor of time. Weather refer to short-term atmospheric conditions, while climate refers to the average weather conditions over time. https://www.esa.int/Applications/Observing_the_Earth/Space_for_our_climate/Weather_vs_climate_What_s_the_difference#:~:text=The%20difference%20between%20weather%20and,a%20long%20period%20of%20time.
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Scientists at PNAS have conducted a study and concluded that in 50 years, the geographic temperature niche of Earth will shift and, due to lack of migration with the temperature shift, cause nearly one third of the population to live in Sahara Desert-like conditions. https://www.pnas.org/doi/10.1073/pnas.1910114117
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The polar vortex always exists but weakens in the summer and strengthens in the winter. When the jet stream weakens it becomes wavier, allowing the cold air to dip southward in places while warmer air pushes northward elsewhere. https://www.weather.gov/safety/cold-polar-vortex
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The jet stream is strongest around 6-8 miles up in the upper troposphere, roughly the height at which airplanes fly. https://www.climate.gov/news-features/blogs/enso/what-jet-stream
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All answers are correct. We still have a long way to go before major change can happen in the aviation world.
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The plane made the trip on a SAF, aka Sustainable Alternative Fuel, made out of waste fats and plant sugars. Find our article covering it on our What's New? page!
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Individuals in the U.S. use approximately 141 rolls of toilet paper per year. Despite only accounting for about 4% of the world population, Americans use 20% of the world's toilet paper. https://earth911.com/living-well-being/rethink-toilet-paper-use/#:~:text=Each%20person%20in%20the%20U.S.,would%20equal%20about%20634%20miles.
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