Residents of China's megacities who post comments about air quality to social media can give environmental scientists a window into pollution levels there.
In pictures, the Arctic appears pristine and timeless with its barren lands and icy landscape. In reality, the area is rapidly changing. Scientists are working to understand the chemistry behind these changes to better predict ...
Polluted air is a "public health emergency", the World Health Organization said Tuesday, adding nine out of 10 people globally breathe bad air that is blamed for more than six million deaths a year.
Wood has a largely favourable environmental effect. A study of the National Research Programme "Resource Wood" recommends using wood more widely as a source of energy and as a building material.