When the Great Lakes Water Quality Agreement was passed in the 1970s, eutrophication was the big problem. Eutrophication occurs when too many nutrients enter a body of water, increasing the amount of ...
Dhaka, the capital city of Bangladesh, has topped the list of cities having the worst air quality with an AQI score of 243 at 8:50am this morning (February 3, 2025). Today's air was classified as ...
Dhaka, the overcrowded capital city of Bangladesh, has topped the list of cities with the worst air quality with an AQI index of 257 at 9:31am today (25 January). The air was classified as 'very ...