As a holiday set up specifically to arouse people's environmental awareness around the world, this year's Earth Day (April 22) is obviously different. Affected by measures such as economic shutdowns and lockdowns and quarantine caused by the new coronavirus pandemic, since the Lunar New Year this year, air and water pollution around the world has greatly improved, and animals also have a wider range in nature. Free space for activities.
NASA shared a comparison of air pollution at two points in time
Affected by the highly contagious COVID-19 pandemic, billions of people around the world have tried their best toReduced travel and international travel, industrial and agricultural production and transportation industries have also suffered heavy losses.
Himalayas seen in the industrial and commercial city of Jalandhar in northern India
However, at the same time, the air quality in many areas has greatly improved. For example, the visibility of the air in Indian cities that were previously blindfolded by air pollution has improved.
Himalaya-a rare view captured by Jalandhar residents (via)
The Sentinel-5P satellite of the European Space Agency also captured northern ItalyChanges in nitrogen dioxide emissions before and after the closure of the city (the pollution activity from January 1 to March 11 is shown below).
ESA mission director Claus Zehner said in his blog: Pollutants The reduction in emissions coincides with the sharp drop in traffic and industrial activities after Italy adopted the lockdown measures.
Around Los Angeles, USAThe air quality in the region has improved significantly. Previously, this developed city in the United States always faced pollutants emitted by tens of millions of commuters.
The residents of Venice, the famous canal city, also pay attention when walking When the environment changes, many fishes, wandering swans, and even rare jellyfish can be seen in the clear water.
The fawns of Nara Park in Japan were once fed by tourists' biscuits. Now they must walk to the town streets to find food. Someone also photographed spectacular scenes of monkeys foraging for food in places like Lopburi, Thailand.
Lauri Myllyvirta, who focuses on energy and clean air research, pointed out that China’s anti-epidemic measures in early February reduced the burning of a large amount of coal and oil.
This has reduced national carbon dioxide emissions by 25%, which is equivalent to 100 metric tons of carbon dioxide, accounting for 6% of global emissions during the same period.