UNIVERSITIES SPACE RESEARCH ASSOCIATION
2019 ozone hole is the smallest on record: NASA
The annual ozone hole reached its peak extent of 16.4 million square kilometers on September 8, and then shrank to less than 10 million square kilometers for the remainder of September and October, NASA said in a statement.
PM2.5 levels rising in proportion to stubble burning, finds Nasa study
The study that analysed satellite data for 15 years (2002-2016) also r...
Tackling the world's worst smog in India, one scooter at a time
In Delhi -- a city caught between Central, state and local govts-- coordination on matters is slow.
As India endures blanket of smog, China's battle offers lessons
China, which for more than a decade has been the world’s biggest emitter of carbon dioxide, has made its capital the focal point of a clean-up drive.
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