Warmer temperatures and more carbon dioxide will boost levels of arsenic, a dangerous heavy metal, according to new research.

Finding staple foods such as rice that can survive an unreliable water supply is essential to the world’s long-term food security. So, too, is finding ways to make the use of water in all areas ...

So, while we can get many of these foods in our local shops, they have often been grown in different countries around the world ... These are known as staple foods. People tend to eat the staple ...