Birdwatching may seem like a simple hobby. People watch birds, note the species they see, and record them. But when these records are shared with bird surveys, they become useful scientific data.

Singapore, one of the wealthiest cities in the world, has become the most polluted on the planet as it chokes under a blanket of thick, toxic smog caused by fires in neighboring Indonesia. Pollution ...

The International Union of Architects designates the first Monday of October as World Architecture Day each year, aligning it with the United Nations' World Habitat Day. This year, both occasions are ...