Women should be the focus of efforts to bring access to modern energyto those who lack it, a new United Nations report has found, as bringing energy to women and girls helps lift communities out of poverty and improves health.

Food waste was denounced by farm ministers and policy makers gathered in Berlin as almost 1 billion people in developing countries go hungry.

The toilet is a magnificent thing. Invented at the turn of the 19th century, the flush version has vastly improved human life.

The toilet has been credited with adding a decade to our longevity. The sanitation system to which it is attached was voted the greatest medical advance in 150 years by readers of the British Medical Journal.