Stephen Sackur speaks to one of the past century's most influential environmentalists, James Lovelock. Lovelock is now 101 years old and still having big thoughts about the future of life on Earth. Show more
First broadcast: on BBC News Latin AmericaLatest broadcast: on BBC News North America
James Lovelock, one of the past century's most influential environmental scientists, died this week at the age of 103. Last year he spoke to HARDtalk’s Stephen Sackur about his work. Show more