Tag «carbon dioxide»

Global Warming in Greenland

Global Warming in Greenland

(upbeat music) – [Gina] I’m in Northeast Greenland and I’m visiting some caves in Grottedalen at 80.4 degrees North. – [Narrator] National Geographic explorer Gina Moseley is one of the many scientists working to address climate change. – I’m aiming to collect samples of calcite that you find in caves. So, have we got enough …

NASA ScienceCasts: Solving Earth’s Mysteries

NASA ScienceCasts: Solving Earth’s Mysteries

[ MUSIC ] Solving Earth’s Mysteries Presented by [email protected] Earth recently experienced its largest annual increases in atmospheric carbon dioxide levels in at least 2,000 years. Data from NASA’s Orbiting Carbon Observatory-2 (OCO-2), which launched in 2014, are helping scientists understand why. Many factors go into improving long-term climate forecasting, including the study of how, …

NASA’s Earth Minute: Usual Suspects

NASA’s Earth Minute: Usual Suspects

Something’s changing Earth’s climate. Temperatures are rising. Ice sheets are melting. Weather patterns are changing. Sea level is rising. What’s causing these and other changes? Time to round up the usual suspects. In ages past, big changes have been caused by volcanic eruptions… Ocean currents, changes in the Sun and Earth’s orientation to it… and …

Could Injecting Carbon Into the Earth Save Our Planet?

Could Injecting Carbon Into the Earth Save Our Planet?

Iceland: the land of majestic waterfalls, black sands, sparkling glaciers, and… maybe one of the world’s wildest solutions for solving climate change? Nestled beside the majestic hills of southwestern Iceland, are a series of huge pods capable of taking CO2 that’s been snatched from the air and injecting it into underground stones, where the gas …

8 Useful Technologies Inspired by Nature

8 Useful Technologies Inspired by Nature

Humans are incredibly good at inventing stuff. I mean, just in the last 50 years, we’ve come up with technology that’s totally transformed our world, like cell phones and the internet. But natural selection has been solving problems for billions of years, and it’s led to some super efficient solutions. So lots of researchers look …

How Well Do Scientists Understand Global Warming? | Climate Change on America Uncovered

How Well Do Scientists Understand Global Warming? | Climate Change on America Uncovered

Our planet has been getting warmer. But how well do scientists understand why? Welcome to America Uncovered. I’m Chris Chappell. Our planet. Beautiful. Diverse. Complex. So how well do scientists understand our planet? In particular—how well do they understand global warming? But before I’m able to examine that issue, YouTube is probably trying to pre-empt …