Tom Heap explores how four years of drought is changing the face of Texas.
How the rise in diesel cars may have damaged our health. Tom Heap investigates.
Britain's Overseas Territories are a treasure trove of wildlife. Tom Heap reports.
Tom Heap explores the innovative ways to store energy rather than let it go to waste.
Where will our food come from in the future? Tom Heap chairs the debate.
Tom Heap finds out how Syria's chemical weapons are going to be disposed of.
How would an independent Scotland power itself? Tom Heap investigates.
Tom Heap squeezes into micro-homes to see if living compactly has environmental answers.
Can nature heal itself? Julian Rush reports on the aftermath of an environmental disaster.
A panel of climate experts debates how we will have to adapt in the face of climate change