I would like to see High Speed Rail replace most air traffic. I just read an article explaining how incredibly expensive air travel is for the climate, not to mention the cost to the passengers.
Air traffic increases greenhouse effect. Scientists measured noticeable temp drop over sky of US during the days after 9/11 attack with all jets grounded.
Air traffic increases greenhouse effect. Scientists measured noticeable temp drop over sky of US during the days after 9/11 attack with all jets grounded.