Leaders from across the world have gathered in Paris to discuss the future of our planet. Delegates to the 21st UN Conference on Climate Change are negotiating a new framework to reduce greenhouse gas emissions, and slow the pace of global warming. Newsroom Tokyo has special coverage this week on climate change, including why it is happening, and what is being done to tackle the problem.

The UN Conference on Climate Change is in its third days. We look at what Japan is doing to cut greenhouse gas emissions and how it's helping other countries move to clean energy.