Major powers must set an example as the world faces “multiple risks and challenges”, Chinese President Xi Jinping said during a meeting with Finnish Prime Minister Petteri Orpo in Beijing on Tuesday. ...

I had been asked to give a keynote speech at a conference at Columbia University's Journalism School. It was January 2002. Two planes had been flown into the twin towers of the World Trade Center ...

Indicator species are living organisms that tell us that something has changed or is going to change in their environment. They can be easily observed, and studying them is considered a cost-effective ...