50 years ago, American waterways were getting more protections

That bill laid the foundations for the Clean Water Act of 1972, establishing U.S. regulations for releasing pollutants into navigable waters. While the law protects "waters of the United States," the definition of what "waters" meant remained vague until a 2015 regulation defined eight categories of protected waters, which included headwater streams, lakes and wetlands. President Donald Trump's administration revised that definition in 2020 to exclude groundwater and some streams. The change also reduces the number of protected wetlands by roughly half.

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Amazing facts about environment before after Corona

Images of New Delhi, India on Oct. 28, 2019, left, and April 20, 2020. India's air quality improved drastically during a nationwide lockdown to curb the coronavirus. Earth Day 2020: Startling photos show pollution before and after the coronavirus lockdown This combination of Monday, Oct. 28, 2019, top, and Monday, April 20, 2020 photos shows India Gate in New Delhi. India's air quality improved drastically during a nationwide lockdown to curb the COVID-19 coronavirus. Images of New Delhi, India on Oct. 28, 2019, left, and April 20, 2020. India's air quality improved drastically during a nationwide lockdown to curb the coronavirus. Just in time for Earth Day 2020, a new photo report reveals the visible transformation in the global atmosphere from the time before the era of coronavirus and now.t Saellite images, radar maps and photos from the ground taken prior to mid-March depict international industrial hubs, including New York City and New Delhi, as well as expanses ...

NASA develops COVID-19 prototype ventilator in 37 days

NASA has developed VITAL (Ventilator Intervention Technology Accessible Locally), a high-pressure ventilator in 37 days to treat COVID-19 patients. The device is composed of far fewer parts, many of which are available to potential manufacturers, NASA said. "Its flexible design means it can be modified for use in hospitals being set up in hotels and other high- capacity facilities," NASA added.

Ozone hole above Arctic caused due to unusual atmospheric conditions closes

A hole in the ozone layer above the Arctic caused due to unusual atmospheric conditions, including freezing temperatures in the stratosphere, has closed. The development was confirmed by Copernicus Atmosphere Monitoring Service (CAMS) and Copernicus Climate Change Service (C3S) implemented on behalf of the European Commission. The hole was first spotted by scientists in late March this year.

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