What 'wood' you use?

We speak to a French family who use a high-tech woodstove every day to heat their home. Hot stuff on the market, these stoves are becoming increasingly common in French households.

Next, how a tiny insect is destroying swathes of forest in America's Montana state. Scientists blame global warming for increasing the temperature and allowing the insect to thrive.

And our correspondents in Cape Town explore why South African authorities have embarked on a project to cut down "foreign" trees in favour of native species.