Pope's encyclical, young activists of climate campaign and carbon bombs

A week full of action on climate front as Pope Francis appealed the world to act now to save the planet and thousands marched on UK parliament to lobby MPs

Xiuhtezcatl Roske-Martinez was six when he gave his first speech about climate change.

"I wanted to go to all the factories with my brother and shut them down. And when I turned six, I found out that it was us that were supporting the factories. We're the ones fuelling the destruction of our environment with our money."