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Algae Water Purification

This can be good to purify the oceans and lakes.


Grow algae to reclaim water! Algae feed on the nutrients in wastewater, effectively purifying the water and producing oxygen during the process. Sunlight and LED lighting help the organisms to feed and grow, therefore our algae generators stand in the daylight filled Third Climate Zone. Water slowly recirculates through the six algae tubes, each of which has a steel base containing zeolite, a mineral that acts as a microbial filter, absorbing microorganisms that are not otherwise digested by the algae. The algae generators at Green Solution House are an important element of our on-site biological water purification system. The entire system can process 500 liters of water a day, which is used for irrigating the green wall and gardens and has the potential to be used for flushing public toilets in the building. The water cleaned by the algae is separated and further purified by UV light to reach drinking water quality.

Who’s behind it: Rambøll.

Where you’ll find it: In the Third Climate Zone.

That Unusually Large Ozone Hole Over The Arctic Has Closed Up Again

Earlier this year, the layer of ozone over the Arctic thinned out enough to be considered a serious sized hole. It wasn’t exactly impressive compared with its southern cousin, but it was certainly a lot bigger than we’d ever seen it before.

Now, according to surveillance by the Copernicus Atmosphere Monitoring Service (CAMS), we can breathe a sigh of relief. It’s healed up again.

That’s great news for ecosystems below, which rely on concentrations of ozone gas high up in the stratosphere to act as a planetary-scale sunscreen against damaging showers of UV radiation.

Over 20 tornadoes hammered the South on Wednesday, more expected Thursday

:oooo.


SOUTHERN UNITED STATES — Over 20 tornadoes touched down in the southern United States Wednesday, April 22 and more are expected Thursday, April 23. At one point, there were four distinct supercells on radar producing a tornado in Oklahoma.

Many of these storms lasted for hours and the threat for severe weather on Thursday, April 23 is aimed at the southeast.

More than 45 volcanoes are erupting right now

Volcano activity update.


Although detailed statistics are not kept on daily activity, generally there are around 20 volcanoes actively erupting at any particular time.

Overall there are 45 volcanoes with ongoing eruptions as of the Stop Dates indicated, and as reported through the last data update (17 April 2020) and shown in the diagram below.

Just a reminder that yesterday was the 30th anniversary of the Redoubt volcanic eruption on April 21, 1990. Here a picture:

Italy: Stromboli erupts for second time in one month

👽Stromboli has just erupted again for the second time this month. There has been 8000 earthquakes since January 2020 in Iceland, coinciding with a volcano network that has not been awake for 800 years.

There has been 250 small Earthquakes in Idaho, and the most recent relatively strong quake worldwide was registered in Honduras, over 6,3 magnitude, yesterday.

Fyodor, R.


A new lava flow started to descend on the side of Mount Stromboli on the eponymously named Italian island on Wednesday, amid an ongoing volcanic eruption.

Mount Stromboli recently erupted on April 1, as well as twice in two months between July and August 2019.

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