By the year 2000, methane levels in the atmosphere were thought to have stabilised, but now they are again on the rise, exacerbating climate change. Why is this happening? Show more
Discover 11,128,835 listings and 282,926 playable programmes from the BBC
By the year 2000, methane levels in the atmosphere were thought to have stabilised, but now they are again on the rise, exacerbating climate change. Why is this happening? Show more