Marking Holocaust Memorial Day, hear from John Dunston about the importance of remembering lessons from history.

Plastic pollution could double its harm to human health in the coming decades if current production trends continue, according to a new study that links rising risks directly to the manufacture of new ...

When the clock was created in 1947, the world’s threats were the growing threat of nuclear weapons following World War II.

By 2050, over 5 billion people could face at least a month of extreme heat each year. See the risk level in your city.