Natural Philosophy at Cambridge University, is a response to an urgent global challenge: how to make sense of the conflicting claims and information bandied about on all matters eco. The book is filled with insights like this one:
"Leaving mobile phone chargers plugged in is often held up as an example of a behavioural eco-crime. The truth is that the amount of energy saved by switching off a phone charger is exactly the same as the energy used by driving an average car for one second".
Although you can buy a hardcopy, the book is also available as a free download - go here