A little information is a dangerous thing. A lot of information, if it's inaccurate or confusing, even more so. This is a problem for anyone trying to spend or invest in an environmentally sustainable way. Investors are barraged with indexes purporting to describe companies' eco-credentials, some of dubious quality.

Better parenting and pre-school preparation for education may be the best way to make society healthier and fairer, says a UK government review.

The UK government is sitting on a report that shows its emissions rose by 13.5 per cent between 1992 and 2004

An international protest against homeopathy aims to demonstrate the truth

"Zero-tolerance" laws designed to keep Europe free of unauthorised GM crops are unworkable, say farmers

The IPCC was tasked by the governments of the world to deliver an encyclopedic consensus on the state of knowledge about one of the most far-reaching yet divisive questions of our time. And this grouping of thousands of scientists, taking time out from their regular jobs has, for more than two decades, delivered.

Glaciologists are arguing over how a highly contentious claim about the speed at which glaciers are melting came to be included in the latest report of the Intergovernmental Panel on Climate Change.

Claims that a cold snap disproves climate change are dangerous nonsense, says Michael Le Page.

The strain of life in a crime-ridden inner city seems to send tumours into overdrive. And cancer is just one disease fuelling US health inequalities.

Here is a shaming statistic: divide the US by race, sex and county of residence, and differences in average life expectancy across the various groups can exceed 30 years. The most disadvantaged look like denizens of a poor African country: a boy born on a Native American reservation in Jackson County, South Dakota, for example, will be lucky to reach his 60th birthday.