Face the facts

For many people climate change is too depressing to think about, and some prefer to simply pretend it doesn't exist but, says Oliver James, this issue is too big to ignore.

Off the hoof

Eating meat provides growing children with many essential proteins. Dr John Briffa reveals how to beef up a vegetarian and vegan diet.

How clean is your air?

Pollution from traffic and factories is having an ever greater effect on our health. But as Clare Longrigg reports, it's not as simple as town v country.