is they need to be, and in many cases are actually in decline, so we cases are actually in decline, so we are cases are actually in decline, so we are getting less information now than we did quite information now than we did quite some time ago. it information now than we did quite some time ago.- information now than we did quite some time ago. it will be a few months quite some time ago. it will be a few months before quite some time ago. it will be a few months before spot - quite some time ago. it will be a few months before spot is i a few months before spot is fully operational. 0nce up and running, scientists hope we can open a new chapter in our understanding of climate change and the water cycle on earth. emo mccarthy, bbc news. the savage murder of emmett till in 1955 and his mother s subsequent fight forjustice has been made into a movie, which is due to be released next month. it s produced by barbara broccoli who s behind the bond films and it stars dani