no2 gas

After the outbreak of the Covid-19 virus outbreak, greenhouse gas emissions in China decreased significantly
The satellites of NASA and the European Space Agency have recorded a significant decrease in the amount of greenhouse gas nitrogen dioxide (NO2) in China.
The most heavily polluted cities
Leading the list of WHO's most polluted air is India, followed by cities in Pakistan.
Found a kind of material that can trap toxic emissions in the air
Scientists have long been extremely concerned about climate warming due to the greenhouse effect caused by the emissions of vehicles and factories.