Vacuuming up our carbon-dioxide mess sounds improbable now, but so did the idea of precisely determining a ship’s longitude in 1714, when the British government offered a prize that led to a revolutionary tool for navigators, the chronometer. Private spaceships seemed impractical a decade ago, but the $10 million Ansari X Prize spurred competitors to spend more than $100 million, and the winning design will soon be taking tourists into space."

and there's more including a very interesting explanation of why the UK is warm....read the rest here