The world remains in a state of shock after spectacular satellite images of an undersea volcano erupting on the island of Tonga left a giant mushroom cloud in the Pacific region. With shocking visuals... continue reading

posted by eric3579 3 years 1 month 3 weeks ago • 42 views • 4:26

From Youtube, "Some places are more threatened by rising sea levels than others, but in the end, we'll all be paying a price. Alternate titles include: "Where You Shouldn't Invest in Real Estate," "Places... continue reading

posted by w1ndex 4 years 3 months 2 weeks ago • 295 views • 20:12

Ice lost in Greenland means higher sea levels around the world. "Oceans Melting Greenland," a NASA program in its fourth year, is studying the melt. So far, measurements indicate a rate of melt exceeding... continue reading

posted by newtboy 5 years 6 months 3 weeks ago • 325 views • 3:27

YouTube description: I got to see an Ocean Sunfish (Mola mola) up close and personal at the Monterey Bay Aquarium recently and I fell in love. These things are the superlative of superlatives. They... continue reading

posted by Aard Vark (oritteropo) 5 years 8 months 1 week ago • 1,838 views • 3:58

Earth’s outer shell is made of two materials whose different densities and thicknesses give rise to two distinct “levels” on the planet’s surface.

posted by Mekanikal 6 years 8 months ago • 777 views • 3:10

YouTube description: In Calipatria, California, the town is below sea level -- but their flag pole isn't. But what does "sea level" mean? Is it just theory, or is there more behind it?... continue reading

posted by Aard Vark (oritteropo) 7 years 4 months 2 weeks ago • 495 views • 2:58

I'm at the top of Mount Evans, more than 14,000 feet - 4.3km - above sea level. This is definitely a mountain: but why doesn't the smaller summit next to it also count? Let's talk about prominence. (Just... continue reading

posted by Mordhaus 7 years 6 months 4 weeks ago • 152 views • 2:46

YouTube description: In the high-altitude city of La Paz, Bolivia, rates of heart problems dwarf those of cities at sea level. But an unexpected partnership between medicine and art is helping address... continue reading

posted by Aard Vark (oritteropo) 7 years 10 months 3 weeks ago • 69 views • 3:08

I never thought of sand as a non-renewable resource, but there's only a limited supply: and to make things worse, it keeps getting washed into the sea. At Cape May, New Jersey, the US Army Corps of Engineers... continue reading

posted by Mordhaus 8 years 3 weeks ago • 1,756 views • 3:22

Common misconceptions about climate change. References below: For CO2, sea levels, Arctic sea ice, Antarctic and Greenland land ice: http://climate.nasa.gov Satellite data shows that ground-based... continue reading

posted by cricket 1 decade 5 months 3 weeks ago • 868 views • 6:50