In episode one of a three-part series, the Guardian’s global environment editor Jon Watts explores what’s at stake if we fail to protect the Amazon. He hears about the crucial role of the rainforest for the global climate, and looks back at how cattle ranching came to dominate and destroy huge s...

A new study examining conflicting trends in official violent crime stats reveals that the leading measure in England and Wales underestimates the level of violent crime - and the findings challenge of...