NASA Is Facing a Climate Change Countdown (Published 2016)The refurbished Launch Complex 39B at Kennedy Space Center, which is on the ocean and surrounded by marshland, in 2013.Credit...Kim Shiflett/NASA KENNEDY SPACE CENTER, Fla. — The concrete block perches absurdly atop a piling, elevated about 10 feet above the beach sand. Is it art? A bulky milepost? Carlton Hall pointed to the puzzling object and explained that it was once a tie-down block for secu
