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Big Drop Energy

A big weight and a really deep hole. Could they help turn our electricity grid green?

• 14 mins

Five More Brilliant Ideas

Tom Heap presents five more carbon-busting ideas to halt climate change

• 57 mins

Buy Less Stuff

Can we consume less by sharing more, finding new homes for old stuff and using it smartly?

• 14 mins

Eat Better for the Planet

How to improve mass catering for the planet

• 14 mins

Better Blocks

Concrete blocks are the foundations of the modern world. But they could be greener.

• 14 mins

Black Gold

Discover biochar – the arch-enemy of climate change.

• 14 mins

New Nuclear

Can new forms of nuclear power help in the fight against climate change?

• 14 mins

Five More Ideas to Change the World

Tom Heap offers up five more carbon-busting ideas to blow your mind

• 57 mins

Zero Carbon Flight

Tom Heap returns with nine more carbon-busting ideas. Can we fly carbon-free?

• 14 mins

Local Wisdom

Tom Heap discovers how indigenous knowledge can help us fight climate change.

• 14 mins

Floating Solar Power

Most of the surface of this planet is water. Can we cover it with solar panels?

• 14 mins

The Happiness Index

Do we need an alternative way to assess a nation's success and growth?

• 14 mins

Better Batteries

Batteries are powering the electric car revolution, but can we make them last longer?

• 14 mins

Five Cunning Carbon-Cutting Ideas

Tom Heap presents five more ideas to reverse the march of climate change.

• 57 mins

Windcatchers

Wind energy is vital in the battle against climate change, but can we make it better?

• 14 mins

Low Carbon Crisps

Ever thought about the carbon cost of a packet of crisps? Tom Heap has.

• 14 mins

Hunting Down the Polluters

How to spot the planet's polluters with satellites, artificial intelligence and Al Gore.

• 14 mins

Hydrogen Revolution

Fuelling the future with hydrogen. Tom Heap reports.

• 14 mins

Arnold Schwarzenegger's favourite ways to save the planet

Series fan Arnold Schwarzenegger discusses his favourite green ideas with Tom Heap.

• 14 mins

Four More Ideas to Save the World

Four more cunning carbon-busting ideas.

• 57 mins