An 11-year-old boy has begun a 200-mile (321km) walk from his home in Yorkshire to Westminster to raise awareness of climate change.

Jude, from Hebden Bridge, said he wanted to lobby ministers about the need for a carbon tax when he arrives in London.

A petition, urging a parliamentary debate on a carbon tax, was launched in February by the Zero Carbon Campaign.

The government said it was committed to cutting emissions by 78% by 2035.

Jude was inspired after reading the book Dire Predictions, which he said offered solutions to climate change including a carbon tax.

He then read about the Zero Carbon Campaign's petition.  Read on...