Visible evidence that the air is cleaner in Tokyo today than years past is that Tokyo Tower can be glimpsed most days of the ...

TOKYO (AP) — Heavy rain flooded some streets and halted rail and air traffic in Tokyo on Thursday with more storms forecast. Twelve centimeters (4.7 inches) of rain fell in just one hour in the ...

My experience with everyone I've showed this to is that it feels abstract until they see themselves in the story.' ...

The growing availability of low-cost air quality sensors is helping people across the world track air pollution.

The air quality in India’s capital ranks among the worst in the world, but experts say politics stand in the way of improving it.