Louise Fabiani is a freelance writer who covers science and culture.
Countries riven by inequality and xenophobia won't be resilient to climate change—which means that the fight against nationalism and the fight against global warming are actually one and the same.
When Carl Sagan's team sent two gold-plated records into space in 1977, it wanted to make alien contact. Forty years later, those time capsules are hurtling beyond the reaches of the Solar System, still seeking intelligent life.