Tag «environmental science»

How Tall Can Mountains Be?

How Tall Can Mountains Be?

Olympus Mons, the tallest mountain in our Solar System, towers 21,000 meters above the surface of Mars — nearly two and a half times the height of Mount Everest. On Earth, you would need a spacesuit to survive at that altitude – but could there even be a mountain that tall here on our home …

The iPhone: A Model for Fighting Climate Change?

The iPhone: A Model for Fighting Climate Change?

Hi, this is Alex, from MinuteEarth. Back in the early 2000s, lots of people couldn’t have imagined life without alarm clocks, CD players, calendars, cameras, or lots of other devices. But along came the iPhone and other smartphones, and they took over the functions of dozens of things we used to think were essential. The …

A Pollution Problem in Rivers and Streams?

A Pollution Problem in Rivers and Streams?

[MUSIC PLAYING] One of the most important issues in environmental science is species extinction. A major reason for species extinction is the introduction of species to locations where they didn’t used to be. Introduced, or alien species, is the term for those species living outside of their typical geographic range. The global travel by people …

Ship Tracks Reveal Pollution

Ship Tracks Reveal Pollution

[chimes] [music] The Earth is a bright planet. From space, we can see why…more than half of our world is covered with clouds at any one time. Those white clouds reflect a lot of sunlight back to space, helping to keep our planet relatively cool. But a NASA satellite instrument called MODIS is showing us …

The Biggest Organism on Earth

The Biggest Organism on Earth

Blue whales [Balaenoptera musculus] are the biggest animals ever to exist on earth. They can weigh upwards of 150 tons, which is more than the largest dinosaurs! But the blue whale is not the biggest living thing. That title goes to…. well, it depends on what you mean by “biggest”! The tallest may be a …

Exploring Water Pollution Through Art

Exploring Water Pollution Through Art

In the past I have painted how water abstracts humans and objects, but now I have turned to how we affect water. My name is Morgan O’Connell and I’m an art and environmental studies double major. My thesis is an investigation into plastic pollution in our water systems, but through the lens of an artist. …

How To (Literally) Save Earth

How To (Literally) Save Earth

Soil is the literal foundation for much of life, yet we treat soil like… well, like dirt. Maybe that’s because, most of the time, soil takes care of itself; decomposing plants and animals and degrading bedrock produce new soil at roughly the same pace that wind and water erode it away But this balance between …

Where Did Earth’s Water Come From?

Where Did Earth’s Water Come From?

Unlike every other planet in our solar system, Earth’s surface is 70% liquid water, which while useful for life, is also kind of weird, because everything we know about how and when our planet formed says Earth’s surface should be bone dry. The story goes like this: our solar system formed from the collapse of …